Can 'vaxxies' help promote COVID-19 vaccines to the hesitant?

Supporters believe they're a public health message that should go viral

The head of one major hospital network in the US recently discovered what he calls the “most effective” technique of persuading patients to get the COVID-19 vaccine.

Source: Twitter.

It’s a ‘vaccine selfie station’.

“It enables people, once they’ve gotten their shot, to take a selfie, take a small video, make a testimonial, and we then post it on social media so people find out that