Vellore hospital confirms Covid vaccine efficacy
2021-06-15
By Nirmala Carvalho Mumbai: Vaccines are working well against the Indian (delta) variant of the SARS-CoV-2, the virus that causes Covid-19, according to a study on healthcare staff working at the Christian Medical College in Tamil Nadu’s Vellore town. By April 30, at the height of the second wave ofContinue Reading