Home INDIA Single dose of Covid-19 vaccine sufficient for already infected people: Study INDIA Single dose of Covid-19 vaccine sufficient for already infected people: Study By admin - June 29, 2024 129 0 FacebookTwitterPinterestWhatsApp A single dose of Covid-19 vaccine is sufficient for an infected person as there was a greater antibody response when compared with those who have had no prior infection, according to a study released by AIG Hospitals on Monday.