It's sobering to think about, but the COVID-19 pandemic began in 2019, and despite some extremely encouraging progress (and a whole lot in the way of miraculous scientific breakthroughs), nearly two years later, it's still very much in effect.

The latest development in the international COVID-19 response plan has to do with a proposal for vaccine booster shots to supplement previous doses of the Pfizer-BioNTech, Moderna, and Johnson & Johnson vaccines. Are booster shots the same thing as a third dose? Does everyone need to get them, or just the immunocompromised? And can you mix and match your shots? Here's what you need to know about COVID-19 booster shots.

#Covid19 #Booster #Vaccine

What is a 'booster' shot? | 0:00
COVID-19 boosters | 1:27
A 'third dose' | 2:56
The rollout | 4:21
Signing up | 5:59
Moderna boosters | 6:58
Pfizer boosters | 8:10
What about Johnson & Johnson? | 9:22
Should you mix and match? | 10:14
Are there side effects? | 11:32

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