Protective Effect of ABO Blood Group Against Severe COVID-19 Infection : An Outcome of Hospital-Based Study in Taiz City, Yemen

Abstract

capabilities that qualified the staff to face any challenges and the result was loss of a number of the most efficient medical staff in
Yemen. The aims of this study was identify the prevalence of SARS COV-2 in the health sector in Taiz city, Study of clinical
symptoms on who infected with COVID-19 , Study of some factors including gender, type of blood grouping, LDH values in
addition to the impact vaccine and means of prevention on the prevalence of COVID-19.and Study of some chronic and
epidemic diseases on chance of COVID-19. The prevalence of SARS COV-2 among the health sector in Taiz city, Yemen was
investigated in 180 samples and examined some by real time PCR and some with COVID-19 IgG/IgM cassette CTK Biotech. The
results in this study showed that the prevalence percentage of SARS COV-2 was 48.33% that detected in workers of health sector.
The clinical symptoms were fever and exhaustion were highest percentage (94.25%) then joint pain (89.66%), headache (86.21),
loss of smell and taste (83.91), sore throat (74.71%), dry cough (73.56), runny nose (62.07%), chest pain (59.77%). The male
infection was 50.57% butfemale infection was 49.43%. The A group of blood was49.31% more than other also the infection in A
group of blood more severe from other .It was reached into isolation , intensive care and taking oxygen in 27 (75%) from total 36
individual with A group who infected of COVID-19 infection. The tonsillectomy increased chance of infection in rate (42.42%)
also Some of medicines proved their effective during infection like Azithromycin, Aspirin, C, D vitamins and Zinc and steam
inhalation of cloves and mint . All of these contributed to make light infection also helped to avoid the infection. The LDH was
high in 46 samples(52.87%) from total 87samples. The vaccine contributed in avoid infection in the rate 15.56% although of
crowded work place and contacted with infected people but also not vaccinated people and not infected people of COVID19
were 36.11% and they protected due to unknown. Perhaps the epidemiology of some diseases in this city helped overcome the
COVID19 in a less severe so, when Study of some chronic and epidemic diseases in covid-19 patients in health workers it was
noted this result the highest was Dengue infection (69%) then Malaria (39.1% ), Chikungunya fever (26.4%) ,also it was noted
that the means of prevention don’t achieve the desired effect and this was due to either intermittent use or to the poor quality of
the used type.