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Limited data are available regarding severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seroprevalence in children. In this study, we assessed for the first time the seroprevalence of SARS-CoV-2 in children from Romania. Serum samples of 379 children were investigated for the presence of SARS-CoV-2 total antibodies. Serologic tests were performed using Elecsys Anti-SARS-CoV-2 electrochemiluminiscence immunoassay that targets the nucleocapsid protein of the virus. The overall seroprevalence of SARS-CoV-2 total antibodies was 46.70%. No significant difference was observed between seropositive and seronegative children according to age groups, gender, and area of residence. Our findings revealed a high SARS-CoV-2 seroprevalence in Romanian children at the end of the third COVID-19 pandemic wave. Results suggest that children, regardless of age, gender, or area of residence, are susceptible to infection with SARS-CoV-2. Seroprevalence in children was similar to the seroprevalence reported in the adult population from Western Romania during the same period of time, March to June 2021.

Seroprevalence and risk factors of

Echinococcosis or hydatid disease is a parasitic zoonosis acquired by humans through ingestion of viable helminthic eggs of Echinococcus sp. with their food. A hydatid cyst of the spleen is a rare condition, commonly reported in 0.5–8% of patients with echinococcosis. We aim to describe herein an interesting and rare case of splenic hydatid disease diagnosed in a 34-year-old female patient residing in a rural area from Romania, a country endemic for this disorder. The therapy consisted of total splenectomy, and the postsurgical evolution was favorable.

This article reports for the first time data regarding trichinellosis in sacrificed animals (domestic pigs and wild boars) inspected during the period from January 1998 to November 2011 in the largest of the Romanian counties. The data were collected from the Veterinary Public Health Department of Timis County. A total of 5,586,431 domestic pigs on farms, 609,325 pigs in private households, and 823 wild boars were examined during the study period. The results indicated that 681 domestic pigs (0.01%) on farms and 407 pigs in private households (0.07%) were found to be infected with Trichinella. Regarding wild boars, infection was detected in only 4 animals (0.5%). Although no infected animals have recently been identified during routine examinations (2009–2011), human outbreaks continue to occur yearly, and the main factors for these include improper handling by the population.

Cystic echinococcosis (CE) is a major parasitosis in Romania, a country where in the past at least one person from 45.5% of its localities underwent surgery for this disease. This survey aimed to provide new epidemiological and clinical data regarding human cases of CE in a western Romanian county. We have retrospectively investigated the medical records of the patients with CE hospitalized during the period of 2004-2010 in the surgical sections of Arad County. A total of 79 patients aged 5-88 years (mean age: 35.9±20.1 years) were diagnosed with CE during the study period. The average yearly incidence was 2.4 cases per 100,000 inhabitants, and the majority of the patients (29.1%) were aged 0-19 years. Most of the adult cases (≥18 years) were people with limited formal education (laborers) (45.6%). The analysis for trend showed an overall decrease in the affected persons over the study period (R(2)=0.66, p=0.026). Hepatic localizations of the hydatid cysts predominated within the study group (73.4%). Only 21.5% of the diseased presented complications and the mean length of hospital stay was 16.2±10.9 days. Eosinophilia of at least 10% of the leukocyte value occurred in 14% of cases and leukocytosis was noticed in 24.1% of patients. Although the rates of CE cases have decreased in Arad County (Romania), this parasitic disease continues to be a concern for public health services and requires the implementation of more stringent prophylactic measures.