To start, know that experts generally recommend that the public takes whichever vaccine theyre offered right now.

This is a race between the virus and getting vaccines into people.

So, the sooner people get vaccinatedwith whichever vaccine they can getthe better, he said.

Who gets the COVID19 vaccine first A CDC panel has some guidelines.Heather Hazzan. Wardrobe styling by Ronald Burton….

Heather Hazzan. Wardrobe styling by Ronald Burton. Prop styling by Campbell Pearson. Hair by Hide Suzuki. Makeup by Deanna Melluso at See Management. Shot on location at One Medical.

But there are some significant differences between the available vaccines that are worth knowing about ahead of time.

How many doses do you need?

The Pfizer injections are given 21 days apart and the Moderna doses are given 28 days apart.

How effective are they?

Those numbers come from anFDA reviewof clinical trials conducted in eight countries and including nearly 44,000 participants.

But the exact efficacy of the vaccine varied by country.

But preventing symptoms is only one piece of containing the pandemic.

Its unclear whether you also have protection against asymptomatic infection, Dr. Tellier says.

What kinds of side effects do they cause?

These three vaccines, like basically every medical drug or treatment, can come with some temporary side effects.

These tend to last a few days after the first dose.

Still, they are temporary, generally lasting a few days.

These side effects tend to be mild to moderate and only last a day or two.

How long do the vaccines take to work?

Andthe CDC currently saysit likely takes about two weeks after getting vaccinated against COVID-19 to get the full effect.

How long does their protection last?

The Pfizer clinical trial, for example, won’t be officially finished until 2023.

As the trials continue, well keep learning more.

How effective will these vaccines be against emergingcoronavirus variants?

The answer to this question depends on the exact variant and the mutations it carries.

But a reduction in efficacy doesnt mean the vaccines are useless.

(Remember, all three vaccines significantly prevented hospitalization and deaths.)

So its very possible that your first COVID-19 vaccine wont be your last, Dr. Tellier says.

So which COVID-19 vaccine should I get?

Get the one you might get now, Dr. Tellier says.