Epidemiology

One pill a day can prevent HIV infection, but many of those at risk never start taking it.

Controlling malaria requires supplies, time, and constant vigilance—but rendering mosquitoes incapable of transmitting human pathogens could be the key to eradicating it for good.

Why it took so long to acknowledge that Covid-19 is airborne—and what we need to do now.

How parents and families can continue to protect their loved ones as mask mandates are rolled back amid fluctuating COVID rates.

 Going into 2022, what should the next phase of our COVID strategy look like? Emily Gurley believes the focus should shift from avoiding infection to preventing hospitalizations and deaths.