COVID-19 vaccines continues this week, it’s still unclear whether the injections can actually prevent the spread of the virus.While both the Pfizer-BioNTech and Moderna products have been shown to be about 95 per cent effective at preventing symptomatic COVID-19 illness, there is not much evidence they can protect those around the person who got the shots.“Yes, you are still contagious,” Dr.
Hana El Sahly told Global News.El Sahly was one of the lead investigators for Moderna’s late-stage COVID-19 vaccine trial. She says the novel coronavirus can live in the nasal passage for weeks, meaning a vaccinated person could still infect others, even if they don’t get sick.