About 1.5 million people have received only a single dose of vaccines so far, and London hospitals could be overwhelmed within days.
About 1.5 million people have received only a single dose of vaccines so far, and London hospitals could be overwhelmed within days.
Johnson & Johnson announced Friday that its single-dose vaccine was 66% effective globally in preventing COVID-19, and 72%..
On Day 1 of India's Covid-19 vaccination, two doctors who took the shots shared their experience. Dr Atul Peters and Anil Dhar of..