wear a mask

A man wearing a protective face mask walks past an illustration of a virus outside a regional science centre, as the city and surrounding areas face local restrictions in an effort to avoid a local lockdown being forced upon the region, amid the coronavirus disease (Covid-19) outbreak, in Oldham, Britain/ Reuters
Coronavirus chronicle

Why vaccinated people still need to wear a mask?

According to health experts there are good reasons to wear mask and avoid crowds even after getting the Covid-19 vaccine