The incidence of ABO and Rh blood group has been found to vary in various populations. The present investigation was undertaken with the aim to study ABO blood group frequency amongst a subset of population of Sikkim. A total of 5098 individuals were included in the study out of which 215 were students of Department of Zoology, Sikkim University and Government College, Tadong, East Sikkim, 3000...

Background: Coronavirus disease 2019 (COVID-19) as an alarming attack broke out in China and spread rapidly worldwide. Objectives: Based on a theory indicating the correlation between some viral diseases blood types, we investigated relationship groups coronavirus infection risk Guilan Province, Iran. Methods: Retrospectively, all files of admitted patients with suspected COVID-19, peak conditi...

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