Eric Walker added a number of topics and a number of links to Covid-19 vaccines, and added Covid-19 vaccines to Vaccines and vaccination and Covid-19 treatments
Eric Walker added India Approves Oxford-AstraZeneca Covid-19 Vaccine and 1 Other - The New York Times to Covaxin, and added Covaxin to Bharat Biotech and Covid-19 vaccines
Eric Walker added Covaxin to Bharat Biotech, and added Bharat Biotech to Pharmaceutical makers and biopharmaceutical companies