Abstract We determined the seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in an affected area northern Iran April 2020. Antibodies to SARS-CoV-2 were detected 528 persons by using rapid tests. Adjusted prevalence seropositivity was 22.2% (95% CI 16.4%–28.5%).

iran due to its unique condition in terms of tourist attraction and because of the specific location and a variety of natural resources and human phenomena, that different regions of the country including guilan province has a typical position in terms of tourism which attracts a lot of tourists. by itself, ecological, environmental, cultural, historical and religious attraction in the north, w...

today, chronic viral hepatitis is considered as a public health problem in the world. totally, 5% of the world population, especially in asia and africa suffer from this problem. the prevalence of acute hepatitis in america is 0.1-0.2 percent, 50% of those with hepatitis c (hcv) and 5-10% of them with hepatitis b (hcv) develop chronic hepatitis. determining hbv and hcv genotypes is important to...

Background: Acanthamoeba spp., can cause severe and fatal diseases including encephalitis, skin granulomatous keratitis. Contaminated waters be a threat to high risk people such as contact lens wearers, patients with eye surgery or trauma, immunocompromised patients. Objective: The present study aims investigate the presence of potentially pathogenic in coastal water Caspian Sea Guilan Province...