Tuberculosis vaccine may play role in reducing Covid-19 death rate, study says

A century-old tuberculosis vaccine could be playing a role in reducing the death rate from Covid-19 in countries where it is widely used, according to a preliminary US study.Researchers from the National Institute of Allergy and Infectious Diseases of the National Institutes of Health made the link to Bacille Calmette-Guerin, or BCG, after comparing data on Covid-19 mortality rates across the globe.They found that some Latin American regions – including Pernambuco, Rio de Janeiro and Sao Paulo…

Read the original article at South China Morning Post