Results 31 to 40 of about 10,876 (178)
Revista da Sociedade Brasileira de Medicina Tropical, 2021 INTRODUCTION: This study estimated the seroprevalence and risk factors of Chagas disease (CD) in a population of the Quixeré municipality, Ceará. METHODS: We conducted serological methods to detect the Trypanosoma cruzi infection.
Arduina Sofia Ortet de Barros Vasconcelos Fidalgo +10 more
doaj +1 more source
Seroprevalence of COVID-19 Antibodies and Factors Associated with Seropositivity: A Population-based Study [PDF]
Journal of Health Sciences and Surveillance System, 2023 Background: Currently, COVID-19 is a global public health problem. This study aimed to estimate the seroprevalence of antibodies related to Covid-19 in the general population in southern Iran.Methods: This cross-sectional population-based study of the ...
Vahid Rahmanian +6 more
doaj +1 more source
Seroepidemiological Studies of Transfusion-associated Hepatitis
The Tohoku Journal of Experimental Medicine, 1972 Serial specimens of serum collected every week from a group of 79 patients who received blood transfusions before or after surgical operation were examined for Australia (Au) antigen and antibody. Out of 18 cases which received Au positive blood, 8 developed antigenemia and 7 produced antibody. Out of 61 cases which received Au negative blood, 21 cases
TATEDA, AKIRA +4 more
openaire +3 more sources
Journal of Islamic International Medical CollegeObjective: To determine the seroprevalence of Herpes simplex virus among females of childbearing age. Study Design: Cross sectional study. Place and Duration of Study: Virology department, Armed Forces Institute of Pathology Rawalpindi, from 1July 2022
Faraz Ahmed
doaj +1 more source
Seroprevalence of Poliovirus Antibodies in the United States Population, 2009–2010
BMC Public Health, 2016 Background Polio is eliminated in the United States, with the last indigenous transmission occurring in 1979. However, global eradication of polio has not yet been completed, so importation of poliovirus into the U.S. is still possible.
Gregory S. Wallace +3 more
doaj +1 more source
Investigating the immunizing effect of the rubella epidemic in Japan, 2012-14
International Journal of Infectious Diseases, 2015 Objectives: A rubella epidemic occurred in Japan from 2012-14, involving more than 15,000 cases. The present study aimed to estimate the immunizing effect of the epidemic, analyzing seroepidemiological data that were collected over time and age. Methods:
Hiroshi Nishiura +3 more
doaj +1 more source
Influenza and Other Respiratory Viruses, Volume 20, Issue 7, July 2026.ABSTRACT In 2025, Taiwan implemented paired sera surveillance among occupational contacts of avian influenza viruses (AIVs). Of 122 contacts analyzed, 117 (95.9%) remained asymptomatic with high personal protective equipment compliance (91.8%). No seroconversion was detected against AIV A(H5N2) clade 2.3.4.4b. These findings suggest a low risk of human
Chieh‐Yu Lin +7 more
wiley +1 more source
Population-based seroprevalence of SARS-CoV-2 and the herd immunity threshold in Maranhão
Revista de Saúde Pública, 2020 OBJECTIVE: To estimate the seroprevalence of SARS-CoV-2 in the state of Maranhão, Brazil. METHODS: A population-based household survey was performed, from July 27, 2020 to August 8, 2020.
Antônio Augusto Moura da Silva +20 more
doaj +1 more source
A seroepidemiologic study of Reston ebolavirus in swine in the Philippines [PDF]
BMC Veterinary Research, 2012 Abstract Background Ebola viruses cause viral hemorrhagic fever in humans and non-human primates and are endemic in Africa. Reston ebolavirus (REBOV) has caused several epizootics in cynomolgus monkeys (Macaca fascicularis) but is not associated with any human disease. In late 2008, REBOV infections were identified in
Sayama Yusuke +21 more
openaire +3 more sources
Zoonoses and Public Health, Volume 73, Issue 4, Page 326-335, June 2026.ABSTRACT Introduction Hepatitis E virus (HEV) is a leading cause of acute hepatitis worldwide. While traditionally linked to poor sanitation in endemic areas, evidence shows increasing circulation in developed settings. In Brazil, however, population‐based data remain limited.
Carolline A. Mariz +8 more
wiley +1 more source