Organ transplant patients may benefit from third Covid-19 vaccine dose to boost antibodies, study suggests CNN A third dose of Covid vaccine may help protect immunocompromised patients, small study suggests NBC NewsExtra COVID-19 vaccine may help protect transplant patients Los Angeles TimesSingle dose of Covishield vaccine elicits higher immunity response in Covid-recovered persons: Study MoneycontrolSingle dose of COVID-19 vaccine sufficient for already infected people: Study India TV NewsView Full Coverage on Google News