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We’re moving into a new phase of the pandemic, but COVID-19 is far from over.

Endemic in several African countries, monkeypox is well-known to researchers. Now that cases have gone global, researchers say there's reason to be watchful but not alarmed.

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

New drug targets and tools for identifying promising drugs suggest treatments for Covid-19—and future diseases.

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

The parasite-mosquito-human nexus spawns an incredibly complex disease challenge. Successes against malaria often don’t last, nor are they easily replicated. Yet.

A monoclonal antibody that protects infants from respiratory syncytial virus-associated lung infection shows promise in clinical trials.

Even as BA.2 and “deltacron” set off feelings of panic or exhaustion, vaccinations and boosters continue to provide the best protection.

Using common strategies to address transmission, testing, and treatment of respiratory viruses will help us keep illnesses in check—and prepare for future pandemics.

Booster doses helped to avert hospitalizations and severe disease among those who received them—and they are also likely to protect us when the next wave hits.

Aima Ahonkhai has heard the story many times: young people with HIV, feeling at a dead end. As an infectious disease clinician who works with many young people living with HIV in both the US and Nigeria, Ahonkhai, MD, MPH, has seen the toll the disease takes on young…

Deleting a protein in Anopheles gambiae mosquitoes, the principal vector for malaria transmission in Africa, could disrupt the mosquito-to-human transmission cycle

Experts are learning more about the fast-moving omicron variant in real time. Here’s what we know right now.