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1. Impact of pneumococcal conjugate vaccine 13 introduction on severe lower respiratory tract infections associated with respiratory syncytial virus or influenza virus in hospitalized children in Ulaanbaatar, Mongolia

Author

Do, Lien Anh Ha, Tsedenbal, Naranzul, Khishigmunkh, Chimidregzen, Tserendulam, Bazarkhuu, Altanbumba, Lkhagvadorj, Luvsantseren, Dashtseren, Ulziibayar, Munkhchuluun, Suuri, Bujinlkham, Narangerel, Dorj, Tsolmon, Bilegtsaikhan, Demberelsuren, Sodbayar, Nguyen, Cattram, Mungun, Tuya, von Mollendorf, Claire, Badarch, Darmaa, and Mulholland, Kim

Published
2024
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2. Antibody responses to mRNA versus non-mRNA COVID vaccines among the Mongolian population

Author

Sereejav, Enkhbold, Sandagdorj, Ankhbayar, Bazarjav, Purevbat, Ganbold, Sarangua, Enkhtuvshin, Altansukh, Tsedenbal, Naranzul, Namuuntsetseg, Bayasgalan, Chimedregzen, Khishigmunkh, Badarch, Darmaa, Otgonbayar, Dashpagma, Artbazar, Bayarzaya, Enebish, Oyunsuren, Tsevegmid, Erdembileg, Baigude, Huricha, Batzorig, Uyanga, Batmunkh, Bumdelger, Jantsansengee, Baigalmaa, Tserendorj, Chinbayar, Dorjderem, Bayarsaikhan, Tsolmon, Bilegtsaikhan, and Ganbold, Tsogzolmaa

Published
2023
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4. Impact of pneumococcal conjugate vaccine 13 (PCV13) introduction on severe lower respiratory tract infections associated with respiratory syncytial virus or influenza virus in hospitalised children in Ulaanbaatar, Mongolia.

Author

Do, Lien Anh Ha, primary, Tsedenbal, Naranzul, additional, Khishigmunkh, Chimidregzen, additional, Tserendulam, Bazarkhuu, additional, Altanbumba, Lkhagvadorj, additional, Luvsantseren, Dashtseren, additional, Ulziibayar, Munkhchuluun, additional, Suuri, Bujinlkham, additional, Narangerel, Dorj, additional, Tsolmon, Bilegtsaikhan, additional, Demberelsuren, Sodbayar, additional, Nguyen, Cattram, additional, Mungun, Tuya, additional, von Mollendorf, Claire, additional, Badarch, Darmaa, additional, and Mulholland, Kim, additional

Published
2024
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5. Increase in Infant Measles Deaths During a Nationwide Measles Outbreak—Mongolia, 2015–2016

Author

Lee, Christopher T., Hagan, Jose E., Jantsansengee, Baigalmaa, Tumurbaatar, Oyun-Erdene, Altanchimeg, Samdan, Yadamsuren, Buyanjargal, Demberelsuren, Sodbayar, Tserendorj, Chinbayar, Munkhtogoo, Oyungerel, Badarch, Darmaa, Gunregjav, Nyamaa, Baatarkhuu, Bolortuya, Ochir, Chimedsuren, Berman, LaShondra, Anderson, Raydel, Patel, Minal K., Gregory, Christopher J., and Goodson, James L.

Published
2019

6. Comparative global epidemiology of influenza, respiratory syncytial and parainfluenza viruses, 2010–2015

Author

Lam, Tommy T, Tang, Julian W, Lai, Florence Y, Zaraket, Hassan, Dbaibo, Ghassan, Bialasiewicz, Seweryn, Tozer, Sarah, Heraud, Jean-Michel, Drews, Steven J, Hachette, Todd, Chan, Paul KS, Koay, Evelyn SC, Lee, Hong Kai, Tee, Kok Keng, Liu, Yang, Fraaij, Pieter LA, Jennings, Lance, Waris, Matti, Krajden, Mel, Corriveau, André, Jalal, Hamid, Nishimura, Hidekazu, Nymadawa, Pagbajabyn, Badarch, Darmaa, Watanabe, Aripuana, Kabanda, Alice, Sloots, Theo, Kok, Jen, Dwyer, Dominic E, and Koopmans, Marion

Published
2019
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7. Global patterns in monthly activity of influenza virus, respiratory syncytial virus, parainfluenza virus, and metapneumovirus: a systematic analysis

Author

Acacio, Sozinho, Alonso, Wladimir J, Antonio, Martin, Ayora Talavera, Guadalupe, Badarch, Darmaa, Baillie, Vicky L, Barrera-Badillo, Gisela, Bigogo, Godfrey, Broor, Shobha, Bruden, Dana, Buchy, Philippe, Byass, Peter, Chipeta, James, Clara, Wilfrido, Dang, Duc-Anh, de Freitas Lázaro Emediato, Carla Cecília, de Jong, Menno, Díaz-Quiñonez, José Alberto, Do, Lien Anh Ha, Fasce, Rodrigo A, Feng, Luzhao, Ferson, Mark J, Gentile, Angela, Gessner, Bradford D, Goswami, Doli, Goyet, Sophie, Grijalva, Carlos G, Halasa, Natasha, Hellferscee, Orienka, Hessong, Danielle, Homaira, Nusrat, Jara, Jorge, Kahn, Kathleen, Khuri-Bulos, Najwa, Kotloff, Karen L, Lanata, Claudio F, Lopez, Olga, Lopez Bolaños, Maria Renee, Lucero, Marilla G, Lucion, Florencia, Lupisan, Socorro P, Madhi, Shabir A, Mekgoe, Omphile, Moraleda, Cinta, Moyes, Jocelyn, Mulholland, Kim, Munywoki, Patrick K, Naby, Fathima, Nguyen, Thanh Hung, Nicol, Mark P, Nokes, D James, Noyola, Daniel E, Onozuka, Daisuke, Palani, Nandhini, Poovorawan, Yong, Rahman, Mustafizur, Ramaekers, Kaat, Romero, Candice, Schlaudecker, Elizabeth P, Schweiger, Brunhilde, Seidenberg, Phil, Simoes, Eric A F, Singleton, Rosalyn, Sistla, Sujatha, Sturm-Ramirez, Katharine, Suntronwong, Nungruthai, Sutanto, Agustinus, Tapia, Milagritos D, Thamthitiwat, Somsak, Thongpan, Ilada, Tillekeratne, Gayani, Tinoco, Yeny O, Treurnicht, Florette K, Turner, Claudia, Turner, Paul, van Doorn, Rogier, Van Ranst, Marc, Visseaux, Benoit, Waicharoen, Sunthareeya, Wang, Jianwei, Yoshida, Lay-Myint, Zar, Heather J, Li, You, Reeves, Rachel M, Wang, Xin, Bassat, Quique, Brooks, W Abdullah, Cohen, Cheryl, Moore, David P, Nunes, Marta, Rath, Barbara, Campbell, Harry, and Nair, Harish

Published
2019
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8. Respiratory Syncytial Virus and Influenza Infections in Children in Ulaanbaatar, Mongolia, 2015–2021.

Author

Do, Lien Anh Ha, Tsedenbal, Naranzul, Khishigmunkh, Chimidregzen, Tserendulam, Bazarkhuu, Altanbumba, Lkhagvadorj, Luvsantseren, Dashtseren, Ulziibayar, Munkhchuluun, Suuri, Bujinlkham, Narangerel, Dorj, Tsolmon, Bilegtsaikhan, Demberelsuren, Sodbayar, Pell, Casey L, Manna, Sam, Satzke, Catherine, Nguyen, Cattram, Mungun, Tuya, von Mollendorf, Claire, Badarch, Darmaa, and Mulholland, Kim

Subjects
RESPIRATORY syncytial virus infections, PNEUMOCOCCAL pneumonia, RESPIRATORY infections, INFLUENZA viruses, INFLUENZA, PNEUMOCOCCAL vaccines
Abstract

Background: Data available for RSV and influenza infections among children < 2 years in Mongolia are limited. We present data from four districts of Ulaanbaatar from April 2015 to June 2021. Methods: This study was nested in an enhanced surveillance project evaluating pneumococcal conjugate vaccine (PCV13) impact on the incidence of hospitalized lower respiratory tract infections (LRTIs). Our study was restricted to children aged < 2 years with arterial O2 saturation < 93% and children with radiological pneumonia. Nasopharyngeal (NP) swabs collected at admission were tested for RSV and influenza using qRT‐PCR. NP swabs of all patients with radiological pneumonia and of a subset of randomly selected NP swabs were tested for S. pneumoniae (S.p.) by qPCR and for serotypes by culture and DNA microarray. Results: Among 5705 patients, 2113 (37.0%) and 386 (6.8%) had RSV and influenza infections, respectively. Children aged 2–6 months had a higher percentage of very severe RSV infection compared to those older than 6 months (42.2% versus 31.4%, p‐value Fisher's exact = 0.001). S.p. carriage was detected in 1073/2281 (47.0%) patients. Among S.p. carriage cases, 363/1073 (33.8%) had S.p. and RSV codetection, and 82/1073 (7.6%) had S.p. and influenza codetection. S.p. codetection with RSV/influenza was not associated with more severe LRTIs, compared to only RSV/influenza cases. Conclusion: In Mongolia, RSV is an important pathogen causing more severe LRTI in children under 6 months of age. Codetection of RSV or influenza virus and S.p. was not associated with increased severity. [ABSTRACT FROM AUTHOR]

Published
2024
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9. Author response for 'Results from the second WHO external quality assessment for the molecular detection of respiratory syncytial virus, 2019–2020'

Author

null Thomas Williams, null Sandra Jackson, null Ian Barr, null Shabana Bi, null Jinal Bhiman, null Joanna Ellis, null Anne von Gottberg, null Stephen Lindstrom, null Teresa Peret, null Sanjiv Rughooputh, null Mariana Viegas, null Siddhivinayak Hirve, null Maria Zambon, null Wenqing Zhang, null Ndongo Dia, null Norosoa Razanazatovo, null Ajaeb Dakhilalla M. H. Al‐Nabet, null Abdinasir Abubakar, null Almiro Tivane, null Amal Barakat, null Amel Naguib, null Ammar Aziz, null Andrea Vicari, null Ann Moen, null Arunkumar Govindakarnavar, null Aron Hall, null Badarch Darmaa, null Bastien Nathalie, null Belinda Herring, null Braulia C. Caetano, null Brett Whittaker, null Elsa Baumeister, null Emmanuel Nakouné, null Erica Guthrie, null Francis Inbanathan, null Harish Nair, null Harry Campbell, null Herve A. Kadjo, null Hicham Oumzil, null Jean‐Michel Heraud, null Joshua A. Mott, null Joyce Namulondo, null Juliana Leite, null Karen Nahapetyan, null Lubna Al Ariqi, null Mahmoud Hamad Ibraheem Gazo, null Mandeep Chadha, null Maria Pisareva, null Marietjie Venter, null Marilda M. Siqueira, null Mayan Lumandas, null Mbayame Niang, null Mona Albuaini, null Muhammad Salman, null Steve Oberste, null Padmini Srikantiah, null Patrick Tang, null Paula Couto, null Peter Smith, null Peter Valentine Coyle, null Philippe Dussart, null Phuong Nam Nguyen, null Pilailuk Akkapaiboon Okada, null Pushpa Ranjan Wijesinghe, null Reuben Samuel, null Richard Brown, null Richard Pebody, null Rodrigo Fasce, null Runa Jha, null Sue Gerber, null Varsha Potdar, null Xiaomin Dong, null Yi Mo Deng, and null WHO RSV Surveillance Group

Published
2022
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10. Results from the WHO external quality assessment for the respiratory syncytial virus pilot, 2016‐17

Author

Marilda M. Siqueira, Rakhee Palekar, Teresa C. T. Peret, Rodrigo Fasce, Almiro Tivane, Ian G Barr, Malinee Chittaganpitch, Marietjie Venter, Badarch Darmaa, Elsa Baumeister, Thedi Ziegler, Niteen Wairagkar, Belinda Louise Herring, Joanna Ellis, Varsha Potdar, Sandra Jackson, Siddhivinayak Hirve, Natalie J. Thornburg, Kadjo Herve, Shobha Broor, Amel Naguib, Ann Moen, Yan Li, Maria Pisareva, Mandeep S. Chadha, Florette K. Treurnicht, Wenqing Zhang, Maria Zambon, and Terry G. Besselaar

Subjects
Pulmonary and Respiratory Medicine, medicine.medical_specialty, Quality Assurance, Health Care, Epidemiology, polymerase chain reaction, Pilot Projects, Respiratory Syncytial Virus Infections, medicine.disease_cause, World Health Organization, World health, respiratory syncytial viruses, External quality assessment, medicine, Molecular diagnostic techniques, Humans, RSV external quality assessment, business.industry, Public Health, Environmental and Occupational Health, Original Articles, Disease control, Infectious Diseases, Respiratory syncytial virus (RSV), Molecular Diagnostic Techniques, Respiratory Syncytial Virus, Human, Emergency medicine, RNA, Viral, Original Article, business, Laboratories, Quality assurance, Response system
Abstract

Background: External quality assessments (EQAs) for the molecular detection of respiratory syncytial virus (RSV) are necessary to ensure the provision of reliable and accurate results. One of the objectives of the pilot of the World Health Organization (WHO) Global RSV Surveillance, 2016-2017, was to evaluate and standardize RSV molecular tests used by participating countries. This paper describes the first WHO RSV EQA for the molecular detection of RSV. Methods: The WHO implemented the pilot of Global RSV Surveillance based on the WHO Global Influenza Surveillance and Response System (GISRS) from 2016 to 2018 in 14 countries. To ensure standardization of tests, 13 participating laboratories were required to complete a 12 panel RSV EQA prepared and distributed by the Centers for Disease Control and Prevention (CDC), USA. The 14th laboratory joined the pilot late and participated in a separate EQA. Laboratories evaluated a RSV rRT-PCR assay developed by CDC and compared where applicable, other Laboratory Developed Tests (LDTs) or commercial assays already in use at their laboratories. Results: Laboratories performed well using the CDC RSV rRT-PCR in comparison with LDTs and commercial assays. Using the CDC assay, 11 of 13 laboratories reported correct results. Two laboratories each reported one false-positive finding. Of the laboratories using LDTs or commercial assays, results as assessed by Ct values were 100% correct for 1/5 (20%). With corrective actions, all laboratories achieved satisfactory outputs. Conclusions: These findings indicate that reliable results can be expected from this pilot. Continued participation in EQAs for the molecular detection of RSV is recommended.

Published
2020

11. Global patterns in monthly activity of influenza virus, respiratory syncytial virus, parainfluenza virus, and metapneumovirus: a systematic analysis

Author

Li, You, Reeves, Rachel M., Wang, Xin, Bassat, Quique, Brooks, W. Abdullah, Cohen, Cheryl, Moore, David P., Nunes, Marta, Rath, Barbara, Campbell, Harry, Nair, Harish, Acacio, Sozinho, Alonso, Wladimir J., Antonio, Martin, Ayora Talavera, Guadalupe, Badarch, Darmaa, Baillie, Vicky L., Barrera-Badillo, Gisela, Bigogo, Godfrey, Broor, Shobha, Bruden, Dana, Buchy, Philippe, Byass, Peter, Chipeta, James, Clara, Wilfrido, Dang, Duc-Anh, de Freitas Lazaro Emediato, Carla Cecilia, de Jong, Menno, Diaz-Quinonez, Jose Alberto, Do, Lien Anh Ha, Fasce, Rodrigo A., Feng, Luzhao, Ferson, Mark J., Gentile, Angela, Gessner, Bradford D., Goswami, Doli, Goyet, Sophie, Grijalva, Carlos G., Halasa, Natasha, Hellferscee, Orienka, Hessong, Danielle, Homaira, Nusrat, Jara, Jorge, Kahn, Kathleen, Khuri-Bulos, Najwa, Kotloff, Karen L., Lanata, Claudio F., Lopez, Olga, Lopez Bolanos, Maria Renee, Lucero, Marilla G., Lucion, Florencia, Lupisan, Socorro P., Madhi, Shabir A., McCracken, John P., Mekgoe, Omphile, Moraleda, Cinta, Moyes, Jocelyn, Mulholland, Kim, Munywoki, Patrick K., Naby, Fathima, Thanh Hung Nguyen, Nicol, Mark P., Nokes, D. James, Noyola, Daniel E., Onozuka, Daisuke, Palani, Nandhini, Poovorawan, Yong, Rahman, Mustafizur, Ramaekers, Kaat, Romero, Candice, Schlaudecker, Elizabeth P., Schweiger, Brunhilde, Seidenberg, Phil, Simoes, Eric A. F., Singleton, Rosalyn, Sistla, Sujatha, Sturm-Ramirez, Katharine, Suntronwong, Nungruthai, Sutanto, Agustinus, Tapia, Milagritos D., Thamthitiwat, Somsak, Thongpan, Ilada, Tillekeratne, Gayani, Tinoco, Yeny O., Treurnicht, Florette K., Turner, Claudia, Turner, Paul, van Doorn, Rogier, Van Ranst, Marc, Visseaux, Benoit, Waicharoen, Sunthareeya, Wang, Jianwei, Yoshida, Lay-Myint, Zar, Heather J., Shi, Ting, Zhang, Shanshan, Openshaw, Peter, Wedzicha, Jadwicha, Falsey, Ann, Miller, Mark, Beutels, Philippe, Bont, Louis, Pollard, Andrew, Molero, Eva, Martinon-Torres, Federico, Heikkinen, Terho, Meijer, Adam, Fischer, Thea Kolsen, van den Berge, Maarten, Giaquinto, Carlo, Mikolajczyk, Rafael, Hackett, Judy, Dillon, Laura, Tafesse, Eskinder, Cai, Bing, Knirsch, Charles, Lopez, Antonio Gonzalez, Dieussaert, Ilse, Dermateau, Nadia, Leach, Amanda, Stoszek, Sonia K., Gallichan, Scott, Kieffer, Alexia, Demont, Clarisse, Denouel, Angeline, Cheret, Arnaud, Gavart, Sandra, Aerssens, Jeroen, Wyffels, Veronique, Cleenewerck, Matthias, Fuentes, Robert, Rosen, Brian, RSV Global Epidemiology Network, RESCEU Investigators, Groningen Research Institute for Asthma and COPD (GRIAC), Ramaekers, Kaat, Van Ranst, Marc, RSV Global Epidemiology Network and RESCEU investigators, VU University medical center, APH - Global Health, Graduate School, Medical Microbiology and Infection Prevention, and AII - Infectious diseases

Subjects
Male, Respiratory diseases, Epidemiology, viruses, RESCEU investigators, EPIDEMICS, 030231 tropical medicine, Respiratory Syncytial Virus Infections, Global Health, Virus, Malalties de l'aparell respiratori, 03 medical and health sciences, 0302 clinical medicine, stomatognathic system, Human metapneumovirus, Parainfluenza virus, Influenza, Human, DRIVERS, Humans, RSV Global Epidemiology Network, Metapneumovirus, 030212 general & internal medicine, Respiratory system, Epidemiologia, Paramyxoviridae Infections, biology, lcsh:Public aspects of medicine, virus diseases, lcsh:RA1-1270, Public Health, Global Health, Social Medicine and Epidemiology, General Medicine, respiratory system, biology.organism_classification, Virology, respiratory tract diseases, 3. Good health, SEASONALITY, Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi, Influenza A virus, INFECTIONS, Respiratory Syncytial Virus, Human, Respiratory virus, Female, Human medicine, RC
Abstract

BACKGROUND: Influenza virus, respiratory syncytial virus, parainfluenza virus, and metapneumovirus are the most common viruses associated with acute lower respiratory infections in young children (

Published
2019
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12. Development of serological assay for detection of antibodies in the N protein of SARS-CoV-2 in human sera in Mongolia

Author

Davaakhuu, Gantulga, primary, Sandag, Zolzaya, additional, Myagmar, Nomin, additional, Oyunbat, Nomuun, additional, Enkhtuya, Ariya, additional, Buyanbat, Khurelsukh, additional, Davaanyam, Maral, additional, Boldbaatar, Tuul, additional, Badarch, Darmaa, additional, Tsedenbal, Naranzul, additional, Damdindorj, Lkhagvasuren, additional, and Tsendsuren, Oyunsuren, additional

Published
2021
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13. Comparative seasonalities of influenza A, B and ‘common cold’ coronaviruses – setting the scene for SARS-CoV-2 infections and possible unexpected host immune interactions

Author

Liu, Yang, Lam, Tommy T.Y., Lai, Florence Y.L., Krajden, Mel, Drews, Steven J., Hatchette, Todd F., Fraaij, Pieter L.A., van Kampen, Jeroen J.A., Badarch, Darmaa, Nymadawa, Pagbajabyn, Tee, Kok Keng, Lee, Hong Kai, Koay, Evelyn S.C., Jennings, Lance, Koopmans, Marion, and Tang, Julian W.

Published
2020
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14. Human respiratory syncytial virus and influenza seasonality patterns-Early findings from the WHO global respiratory syncytial virus surveillance

Author

Mandeep, Chadha, Siddhivinayak, Hirve, Christina, Bancej, Ian, Barr, Elsa, Baumeister, Braulia, Caetano, Malinee, Chittaganpitch, Badarch, Darmaa, Joanna, Ellis, Rodrigo, Fasce, Herve, Kadjo, Sandra, Jackson, Vivian, Leung, Maria, Pisareva, Jocelyn, Moyes, Amel, Naguib, Almiro, Tivane, Wenqing, Zhang, and Maria, Zambon

Subjects
Pulmonary and Respiratory Medicine, medicine.medical_specialty, Epidemiology, Hospitalized patients, viruses, Pilot Projects, Respiratory Syncytial Virus Infections, Global Health, World Health Organization, Virus, World health, Age groups, Environmental health, Influenza, Human, medicine, Humans, Respiratory system, Respiratory Tract Infections, Respiratory illness, business.industry, seasonality, Public Health, Environmental and Occupational Health, virus diseases, Original Articles, Seasonality, medicine.disease, Orthomyxoviridae, Global Influenza Surveillance and Response network, Infectious Diseases, Respiratory Syncytial Virus, Human, Original Article, Seasons, business, human respiratory syncytial virus, influenza, Sentinel Surveillance
Abstract

Background Human respiratory syncytial virus (RSV) causes illnesses among all age groups and presents a burden to healthcare services. To better understand the epidemiology and seasonality of RSV in different geographical areas, the World Health Organization (WHO) coordinated a pilot initiative to access the feasibility of establishing RSV surveillance using the existing Global Influenza Surveillance and Response System (GISRS) platform. Objectives To describe and compare RSV and influenza seasonality in countries in the northern andsouthern temperate, and tropics during the period January 2017 to April 2019. Methods Fourteen countries in six WHO regions participating in the GISRS were invited for the pilot. Hospitalized patients presenting with severe acute respiratory illness (SARI), SARI without fever and outpatients presenting with acute respiratory illness (ARI) were enrolled from January 2017 to April 2019. The expected minimum sample size was 20 samples per week, year-round, per country. Real-time RT-PCR was used to detect RSV and influenza viruses. Results were uploaded to the WHO FluMart platform. Results Annual seasonality of RSV was observed in all countries, which overlapped to a large extent with the influenza activity. In countries, in temperate regions RSV peaked in the autumn/winter months. In Egypt, a subtropical country, RSV activity peaked in the cooler season. In the tropical regions, RSV peaked during the rainy seasons. Conclusion Early findings from the WHO RSV surveillance pilot based on the GISRS suggest annual seasonal patterns for of RSV circulation that overlap with influenza. RSV surveillance needs to be continued for several more seasons to establish seasonality patterns to inform prevention and control strategies.

Published
2019

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