Welcome to Public Health On Call, a podcast from the Johns Hopkins Bloomberg School of Public Health.

I'm Joshua Sharfstein, Vice Dean for Public Health Practice and Community Engagement,

and a former health commissioner here in Baltimore.

Our goal is to bring evidence and experience to illuminate critical public health issues.

If you have questions or ideas for us, please send an email to public health question at jhh.edu.

That's public health question at jh.hu.edu for future podcast episodes.

Hi, I'm Lindsay Smith-Rogers, producer of public health on call.

Malaria is a mosquito-borne infection that affects some 228 million people globally each year,

killing over 400,000 of them, primarily children under the age of five.

In a two-part mini-series, Thomas Locke, host of the Johns

Hopkins Malaria Research Institute podcast, Malaria Minute, will unpack the biology and history

of one of the world's most serious health problems. Today, part one breaks down the parasite's unique life cycle, which allows it to adapt rapidly

to drugs and to our immune system's efforts to fight it off.

You can learn more about groundbreaking malaria research at malaria.j.

JhSpaH.edu.

That's malaria.jsph.edu. Let's listen.jhsph.edu.

Let's listen.

Whenever you're ready, we'll send you into the chamber.

We usually ask participants to remove their shoes and socks, and you can take off your face mask.

Okay, so I've just pulled open the door to the chamber, climbing in now, and there's a piece of tin foil just on the floor. And my feet is sticking to it. And there we go. So I'm sat in this box. It's so small I have to climb in.

And I'm sat in the centre on this tiny chair. Outside the box is Stephanie. She's a postdoc

at the Johns Hopkins Bloomberg School of Public Health. Her research is all about understanding

...