Covid: WHO monitoring ‘Mu’ variant; can Brazilian viper's venom stop virus?

A study claimed that MMR and TDAP vaccines are likely to give increased protection against covid. Police filed a case against Maharashtra BJP chief, others for allegedly flouting Covid norms. New study claimed that venom of Brazilian viper can help in fighting Covid-19. Maharashtra & Karnataka governments tightened rules at airport as new variants emerge. WHO said it is monitoring a new Covid variant called ‘mu’, which was identified in Colombia in January.