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This article presents the World Health Organization's (WHO) recommendations on the use of measles vaccines excerpted from the WHO position paper on Measles vaccines: WHO position paper - April 2017, published in the Weekly Epidemiological Record [1]. This position paper replaces the 2009 WHO position paper on measles vaccines [2]. The position paper summarizes the most recent developments in the field of measles and includes removal of introduction criteria for the routine second dose of measles-containing vaccine (MCV2), guidance on when to vaccinate infants from 6months of age, and guidance on re-vaccination of HIV-infected children receiving highly active anti-retroviral therapy (HAART). Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of measles vaccines were discussed by SAGE in November 2013, October 2015 and October 2016; evidence presented at these meetings can be accessed at: www.who.int/immunization/sage/meetings/2013/november/presentations_background_docs/en/, www.who.int/immunization/sage/meetings/2015/october/presentations_background_docs/en/ and www.who.int/immunization/sage/meetings/2016/october/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) recommendations on the use of hepatitis B vaccines excerpted from the Hepatitis B vaccines: WHO position paper, July 2017, published in the Weekly Epidemiological Record (Hepatitis B vaccines, 2017) [1]. This position paper replaces the May 2009 WHO position paper on hepatitis B vaccines (Hepatitis B vaccines, 2009) [2]. The position paper gives updated information on hepatitis B vaccines and their storage, transport and deployment. The recommendations concern the target groups for vaccination and the appropriate schedules. In particular, the recommendations stress the importance of vaccination of all infants at birth as the most effective intervention for the prevention of hepatitis B virus-associated disease worldwide. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of hepatitis B vaccines were discussed by SAGE in October 2016; evidence presented at these meetings can be accessed at: http://www.who.int/immunization/sage/meetings/2016/October/presentations_background_docs/en/.

Seasonal influenza has a significant impact on global public health each year, especially in older adults 65 years of age and above. This paper presents the evolution of high-dose influenza vaccine and the quantity as well as quality of evidence on this vaccine. Its introduces other peer-reviewed manuscripts included in this supplement covering the benefits high-dose influenza vaccine over ten consecutive influenza seasons. The development of the high-dose influenza vaccine represents an important step in the evolution of influenza vaccines, offering an advancement in prevention of influenza and a step in encouraging healthy aging in older adults. A video summary of the article can be accessed via the Supplementary data link at the end of this article.

This article presents the World Health Organization's (WHO) recommendations for pain mitigation at the time of vaccination from the WHO position paper on reducing pain at the time of vaccination: WHO position paper-September 2015, recently published in the Weekly Epidemiological Record [1]. This position paper summarizes the evidence and integrates information pertaining to the reduction of pain, distress and fear during immunization across all age groups. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact, and on vaccination-related policy questions particularly concerning the use of vaccines in large-scale immunization programmes. They summarize essential background information and conclude with the current WHO position. This position paper addresses a cross-cutting issue which is relevant for all injectable vaccines and reflects the recommendations of WHO's Strategic Advisory Group of Experts (SAGE) on immunization. These recommendations were discussed by SAGE at its April 2015 meeting. The evidence presented at the meetings can be accessed at http://www.who.int/immunization/sage/previous/en/index.html.

While the large majority of parents in the U.S. vaccinate their children according to the recommended immunization schedule, some parents have refused or delayed vaccinating, often citing safety concerns. In response to public concern, the U.S. Institute of Medicine (IOM) evaluated existing research regarding the safety of the recommended immunization schedule. The IOM concluded that although available evidence strongly supported the safety of the currently recommended schedule as a whole, additional observational research was warranted to compare health outcomes between fully vaccinated children and those on a delayed or alternative schedule. In addition, the IOM identified the Vaccine Safety Datalink (VSD) as an important resource for conducting this research. Guided by the IOM findings, the Centers for Disease Control and Prevention (CDC) commissioned a White Paper to assess how the VSD could be used to study the safety of the childhood immunization schedule. Guided by subject matter expert engagement, the resulting White Paper outlines a 4 stage approach for identifying exposure groups of undervaccinated children, presents a list of health outcomes of highest priority to examine in this context, and describes various study designs and statistical methods that could be used to analyze the safety of the schedule. While it appears feasible to study the safety of the recommended immunization schedule in settings such as the VSD, these studies will be inherently complex, and as with all observational studies, will need to carefully address issues of confounding and bias. In light of these considerations, decisions about conducting studies of the safety of the schedule will also need to assess epidemiological evidence of potential adverse events that could be related to the schedule, the biological plausibility of an association between an adverse event and the schedule, and public concern about the safety of the schedule.

When applying for funding, researchers must demonstrate their productivity. For most funding organizations, a key measure of productivity is the number of papers published. The road to publication is rarely straightforward; few journals provide practical guidance to researchers who are struggling to publish their data. Here, we outline the sections of a research paper and describe practical steps in each part of the publication process as an aid to newer authors.

This article presents the World Health Organization's (WHO) recommendations on the use of dengue vaccine excerpted from the WHO position paper on dengue vaccine - September 2018, published in the Weekly Epidemiological Record [1]. This position paper replaces the July 2016 WHO position paper concerning the first licensed dengue vaccine, CYD-TDV [2]. The position paper presents new evidence that became available in November 2017. A retrospective analysis of data from clinical trials, using a new serological assay classified trial participants according to their dengue serostatus prior to receipt of the first vaccine dose. The analysis revealed an excess risk of severe dengue in seronegative vaccine recipients compared to seronegative non-vaccinated individuals, while confirming long-term protection in seropositive individuals [3]. The paper provides revised guidance on dengue vaccination strategies from a population health perspective. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of dengue vaccine CYD-TDV were discussed by SAGE in April 2018; evidence presented at the meeting can be accessed at: http://www.who.int/immunization/sage/meetings/2018/april/presentations_background_docs/en/.

This article presented the World Health Organization's (WHO) recommendations on the use of Typhoid vaccines excerpted from the Typhoid vaccines: WHO position paper - March 2018 published in the Weekly Epidemiological Record (World Health Organization, 2018) [1]. This position paper replaces the 2008 WHO position paper on typhoid vaccines (WHO, 2008) [2]. It re-emphasizes the importance of vaccination to control typhoid fever and presents the WHO recommendations on the use of a new generation of typhoid conjugate vaccines. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation tables. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of cholera vaccines were discussed by the Strategic Advisory Group of Experts (SAGE) in October 2017; evidence presented at these meetings can be accessed at: http://www.who.int/immunization/sage/meetings/2017/October/presentations_background_docs/en/.

This article presented the World Health Organization's (WHO) recommendations on the use of on Bacille Calmette-Guérin (BCG) vaccine excerpted from the BCG vaccines: WHO position paper - February 2018 published in the Weekly Epidemiological Record [1]. This position paper replaces the 2004 WHO position paper on Bacille Calmette-Guérin (BCG) vaccine [2] and the 2007 WHO revised BCG vaccination guidelines for infants at risk for human immunodeficiency virus (HIV) infection [3]. It incorporates recent developments in the tuberculosis (TB) field, provides revised guidance on the immunization of children infected with HIV, and re-emphasizes the importance of the birth dose. This position paper also includes recommendations for the prevention of leprosy. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation tables. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of cholera vaccines were discussed by the Strategic Advisory Group of Experts (SAGE) in October 2017; evidence presented at these meetings can be accessed at: http://www.who.int/immunization/sage/meetings/2017/october/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) recommendations on the use of cholera vaccines excerpted from the Cholera vaccines: WHO position paper, August 2017, published in the Weekly Epidemiological Record (Cholera vaccine, 2017) [1]. This position paper replaces the 2010 WHO position paper on cholera vaccines (Cholera vaccine, 2010) [2]. It incorporates the most recent evidence on cholera vaccination and provides revised recommendations on the target populations for cholera immunization. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of cholera vaccines were discussed by the Strategic Advisory Group of Experts (SAGE) in April 2017; evidence presented at these meetings can be accessed at: www.who.int/immunization/sage/meetings/2017/April/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) recommendations on the use of diphtheria vaccines excerpted from the Diphtheria vaccines: WHO position paper, August 2017, published in the Weekly Epidemiological Record (Diphtheria vaccine, 2017) [1]. This position paper replaces the 2006 WHO position paper on diphtheria vaccine (Diphtheria vaccine, 2006) [2]. The position paper incorporates recent evidence on diphtheria and provides revised recommendations on the optimal number of doses and timing of diphtheria vaccination. In view of the widespread use of combination vaccines, it provides guidance on the alignment of vaccination schedules for different antigens included in routine childhood immunization programmes. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of diphtheria vaccines were discussed by SAGE in April 2017; evidence presented at these meetings can be accessed at: www.who.int/immunization/sage/meetings/2017/april/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) recommendations on the use of fractional doses of yellow fever vaccines excerpted from the "Yellow fever vaccine: WHO position on the use of fractional doses - June 2017, Addendum to Vaccines and vaccination against yellow fever WHO: Position Paper - June 2013″, published in the Weekly Epidemiological Record [1,2]. This addendum to the 2013 position paper pertains specifically to use of fractional dose YF (fYF) vaccination (fractional dose yellow fever vaccination refers to administration of a reduced volume of vaccine dose, which has been reconstituted as usual per manufacturer recommendations) in the context of YF vaccine supply shortages beyond the capacity of the global stockpile. The current WHO position on the use of yellow fever (YF) vaccine is set out in the 2013 WHO position paper on vaccines and vaccination against YF and those recommendations are unchanged. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of Yellow Fever vaccines were discussed by SAGE in October 2016; evidence presented at these meetings can be accessed at: www.who.int/immunization/sage/meetings/2016/October/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) recommendations on the use of human papillomavirus (HPV) vaccines excerpted from the WHO position paper on Human papillomavirus vaccines: WHO position paper, May 2017, published in the Weekly Epidemiological Record [1]. This position paper replaces the 2014 WHO position paper on HPV vaccines [2]. The position paper focuses primarily on the prevention of cervical cancer, but also considers the broader spectrum of cancers and other diseases preventable by HPV vaccination. It incorporates recent developments concerning HPV vaccines, including the licensure of a nonavalent (9-valent) vaccine and recent data on vaccine effectiveness, and provides guidance on the choice of vaccine. New recommendations are proposed regarding vaccination strategies targeting girls only or both girls and boys, and vaccination of multiple birth cohorts [3]. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of HPV vaccines were discussed by SAGE in October 2016; evidence presented at these meetings can be accessed at: www.who.int/immunization/sage/meetings/2016/october/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) updated recommendations on the use of meningococcal vaccines excerpted from the WHO position paper on Meningococcal A conjugate vaccine: updated guidance, February 2015, published in the Weekly Epidemiological Record [1]. A position paper on meningococcal vaccines was published in 2011 and its recommendations remain valid [2]. This update adds to the previous recommendations specifically concerning routine immunization of infants and young children in the African meningitis belt with meningococcal A conjugate vaccine. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of the Meningococcal A conjugate vaccine were discussed by SAGE in October 2014; evidence presented at these meetings can be accessed at: http://www.who.int/immunization/sage/meetings/2014/october/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) recommendations on the use of tetanus toxoid (TT) vaccines excerpted from the WHO position paper on tetanus vaccines - February 2017, published in the Weekly Epidemiological Record [1]. This position paper replaces the May 2006 WHO position paper on tetanus vaccines (Tetanus vaccines: WHO position paper, 2006). The position paper summarizes the recent developments in the field of tetanus prevention and provides revised guidance on the optimal timing of recommended tetanus vaccine booster doses. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. Recommendations on the use of TT-containing vaccines (TTCVs) were discussed by SAGE in October 2016; evidence presented at the meeting can be accessed at: http://www.who.int/immunization/sage/meetings/2016/october/presentations_background_docs/en/.

This article presents the World Health Organization's (WHO) recommendations on the use of polio vaccine excerpted from the WHO position paper on polio vaccines - March 2016, published in the Weekly Epidemiological Record [1]. This position paper on polio vaccines replaces the 2014 WHO position paper [2]. The position paper summarizes the WHO position on the introduction of at least one dose of inactivated polio vaccine (IPV) into routine immunization schedules as a strategy to mitigate the potential risk of re-emergence of type 2 polio following the withdrawal of Sabin type 2 strains from oral polio vaccine (OPV) [3]. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence-to-recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. This position paper reflects the global switch from trivalent to bivalent OPV which took place in April 2016. Recommendations on the use of polio vaccines have been discussed on multiple occasions by SAGE, most recently in October 2016; evidence presented at these meetings can be accessed at: http://www.who.int/immunization/sage/previous/en/index.html.

This article presents the World Health Organization's (WHO) recommendations on the use of malaria vaccine excerpted from the WHO position paper on malaria vaccine published in the Weekly epidemiological Record in January 2016 [1]. The current document is the first WHO position paper on malaria vaccination and focuses primarily on the available evidence concerning the only malaria vaccine having received a positive regulation assessment from the European Medicines Agency (EMA) [2]. The position paper gives consideration to the epidemiological features of the disease and assesses the potential use of the vaccine for public health benefits. Footnotes to this paper provide a number of core references including references to grading tables that assess the quality of the scientific evidence, and to the evidence to recommendation table. In accordance with its mandate to provide guidance to Member States on health policy matters, WHO issues a series of regularly updated position papers on vaccines and combinations of vaccines against diseases that have an international public health impact. These papers are concerned primarily with the use of vaccines in large-scale immunization programmes; they summarize essential background information on diseases and vaccines, and conclude with WHO's current position on the use of vaccines in the global context. This paper reflects the joint recommendation of the WHO's Strategic Advisory Group of Experts (SAGE) on immunization and the Malaria Policy Advisory Committee (MPAC). These recommendations were discussed by SAGE and MPAC at the October 2015 SAGE meeting. Evidence presented at the meeting can be accessed at http://www.who.int/immunization/sage/previous/en/index.html.