Good morning. Welcome to Axios today. We made it to Wednesday. It's April 14th. I'm Nyla Boudou.

Here's what we're covering today. How the border crisis looks for Mexico. Plus, human rights in space.

But first, today's one big thing. The FDA presses pause on the Johnson & Johnson vaccine.

Yesterday, the FDA recommended pausing the use of Johnson & Johnson's COVID vaccine.

This was after cases of a rare blood clot disorder in six American women.

It developed one to three weeks after receiving the shot. One woman has died. Another is in critical

condition. Dr. Julie Maria is a public health expert who was served on the CDC's advisory

committee on immunization practices. They're meeting today to discuss this. Here's what she told

Axios recap host Dan Pramack. What are the scientists saying? What are these review committees saying

so that they can make an informed decision overall? But the key thing for my perspective is we

know that the currently available vaccines are safe and effective and people should get those vaccines.

Despite this prompt response by the FDA, many are left concerned about whether it's still safe to get it.

Caitlin Owens is a health care reporter for Axios. Good morning, Caitlin. Good morning. What's the data

showing about the chances of developing blood clots after getting one of these vaccines?

So as of yesterday, what we knew was there are six cases out of more than six million Americans

that have received the J&J vaccine. Now, officials are warning that now that this information is out,

they're probably going to start seeing more cases. They'll just be caught more easily or people will

know to be on the lookout for them. What we are seeing so far is that the blood clots are

all among women and all among relatively young women around childbearing age.

It seems like the risk may be specific to certain populations. But we don't know that for sure.

We do not know that for sure. That's part of the reason why we're pausing the distribution

of scientists want to review the data. They want to get more information and figure out how to

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