Just a little while ago, President Biden announced the United States has secured another 200 million doses of the coronavirus vaccines.

More than 33 million Americans have now received at least one dose of a COVID-19 vaccine from Pfizer, Biontech, or Moderna.

And just over 10 million people have now received both doses.

God an appointment right away to a clock today, walked right in, parking was easy, there's enough people here to tell you exactly what to do.

Johnson & Johnson has released partial results from its phase 3 vaccine trials, and they've asked for emergency use authorization, which they could get in the next few weeks.

Yeah, so I'm really excited about the J&J vaccine, and I think a single shot is obviously huge, and the storage issues here are much, much easier.

This is actually how to refrigerate it.

Look, this is all really amazing news.

You know, in the past year, I've spent so much time reporting on this pandemic, and I think it's safe to say that no one in the scientific community thought that we would actually have a vaccine authorized by the end of 2020.

So as we struggle with pandemic fatigue, which everyone has, even me, and we watch the Biden administration attempt to get this virus under control, I thought I'd take a moment today to focus on vaccines and the good news that they bring.

I'm Dr. Sanjay Gupta, CNN's Chief Medical Correspondent, and this is coronavirus, fact versus fiction.

My name is Milbert Gresslin, and today is my 100th of Thursday.

I got my second shot of COVID-19 this morning.

A hundred year old, getting vaccinated. It's incredible. It should warm your heart.

Look, I'll be the first to say, and we've talked about this a lot on the podcast. The vaccine rollout did start out, I think too slowly, and it faced some serious logistical issues.

But because we have had so few bright spots in this past year, it is worth pausing to appreciate the fact that we have a vaccine at all, much less too, with a third candidate on the horizon.

Now, there is some concern that the Johnson & Johnson vaccine isn't as effective as the Pfizer-BioNTech or Moderna's.

Those two were shown to be approximately 95% effective at preventing symptomatic cases of COVID-19, while Johnson & Johnson's is 66% effective at preventing moderate and severe disease and 85% effective at preventing hospitalizations and death.

But look, it may not be a fair comparison to look at these vaccines all head to head.

First of all, the Johnson & Johnson vaccine was tested later in the pandemic, at a time when there was more circulating virus, and there was also more of these easily transmissible variants.

Second of all, Johnson & Johnson's vaccine was tested in places where some of those variants were already in wide circulation, certain areas like Brazil and South Africa, for example.

Here's the point, we don't know how well the Pfizer or Moderna vaccine would have fared under the exact same situation.

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