Could anti‐tubercular vaccination protect against COVID‐19 infection?

Could anti-tubercular vaccination protect against COVID-19 infection? Correspondence to the letter entitled: Is BCG vaccination effecting the spread and severity of COVID-19? Since 1975, BCG vaccination policy in Sweden changed from routine vaccination of all newborn infants to selective vaccination of groups at higher risk,3 and Spain did the same, but not Portugal (Figure 1). [Extracted from the article]