Tuberculosis vaccine may reduce coronavirus-related deaths: Study

As research around COVID-19 vaccine continues, researchers have w suggested that tuberculosis vaccine may play a role in reducing virus-related deaths. According to a study published in ‘Proceedings of National Acemy of Sciences of United States of America’, researchers me link to Bacille Calmette-Guerin (BCG) after comparing data of coronavirus mortality rates across globe. preliminary study found that regions with lower deaths rates h one thing in common, a TB vaccination programme. 

researchers from US-based National Institute of Allergy and Infectious Diseases of National Institutes of Health found that several Latin American regions, including Rio de Janeiro and Sao Paulo and Mexico City, h considerably lower death rates than states in US such as New York, Illiis, Louisiana and Florida. scientists ted that some European countries like Germany also h surprising results. 

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Carolina Barillas-Mury, who is co-author of research, said, “This is remarkable, considering that parts Latin America have much higher population densities than rth American states analysed, including New York”. 

Death rate lower due to TB Vaccine programme 

While it was ted that death rate from COVID-19 was 2.9 times higher among people from former West Germany than those in former East Germany, scientists also informed that mortality rate was four times higher in Italy than in Finland. As per study, place where death rates were lower varies in terms of distribution, incomes, health care access, however, researchers said y all h TB vaccine programme in common. 

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researchers ted that former East Germany began iculating children against TB a dece earlier than in West. Scientists said that this means older Germans in eastern parts if country were likely to have been given vaccine. After thorough research in Latin America and some European countries, scientist estimated that a 10 per cent increase in TB vaccine cover could le to a 10 per cent reduction in deaths from dely COVID-19. 

While new study challenged World Health Organisation’s position on TB Vaccine, it also said, “ consistent association between BCG vaccination and reduced severity of COVID-19 observed in se and or epidemiological explorations are remarkable, but t sufficient to establish causality between BCG vaccination and protection from severe COVID-19”. 

(Im: AP) 

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