Ten vaccines have proved effective at protecting people from developing symptoms of Covid-19, the disease that can result from infection with SARS-CoV-2.
Less is known about how well some of the various inoculations prevent people from getting an asymptomatic infection or passing the virus on to others.
But preliminary evidence suggests that two vaccines, one from Moderna Inc. and another from Pfizer Inc. and BioNTech SE, are highly protective against the spread of the virus in addition to symptoms, and another from AstraZeneca Plc does a reasonably good job.
Read More : https://www.livemint.com/science/health/can-a-covid-vaccinated-person-still-spread-the-coronavirus-11617073938100.html
