And the numbers in 2024 aren't looking any better. Why is this highly infectious disease on the rise? And how can it be tamed?

The pandemic brought notable setbacks in the effort to eradicate tuberculosis, which is likely to regain its notorious title of deadliest infectious disease in 2023. But there are signs of progress.

Readers are curious about the new variant, currently known a BA.2.86. Also: Lots of questions about boosters. Can you get it at the same time as a flu shot? And how long does protection last?

Maybe it's not a full-blown summer surge but COVID numbers are ticking up. For those with concerns due to personal risk factors or the start of the school year, the booster question is top of mind.

The official emergency is over but COVID is still here. And that means ... lots of questions. We asked our readers what's on their mind and then called on experts for advice.

Vaccine experts are excited about new clinical trial results for a device that delivers measles vaccine via a "microarray" patch — no syringe needed.

Now that official COVID emergency declarations have ended, how should people evaluate their risk of SARS-CoV-2? That's the subject of our frequently asked questions offering.

The first outbreak this year was in Equatorial Guinea, which has seen 20 deaths already. Now there are cases reported in Tanzania as well for this infectious disease with a high fatality rate.

Marburg virus is hard to detect early on--and goes on to kill about half its victims. Researchers hope to work quickly during this outbreak to make progress on emerging vaccines and treatments.

You'll see testing in some airports these days — it's just like we're going back in time! And speaking of looking back, the things that protected fliers from COVID then are still a good idea.

The drug is the most effective way to cut the risk of severe disease. It's heading to China now. Yet the drug is underused in some places. Why? And are there options if you're not a good candidate?

This week, the Centers for Disease Control and Prevention ended the COVID-19 testing rule for air passengers traveling to the U.S. from abroad. Should you still take a COVID test anyway?

The antiviral drug is prescribed to those at risk of severe disease. It's been credited with reducing hospitalizations. But then there's the "Paxlovid rebound."

Whether it's a wedding, graduation or meeting, indoor events can spread the virus. Here's a complete guide: what to ponder before going, how to cut risks while there, what to do if cases crop up.

Abuse ranges from being struck by a family member to cyberbullying. A study reports that nearly a third of children with disabilities have experienced such violence. And that's surely an undercount.

UNICEF and the World Health Organization issued the paper. It shows "that formula milk marketing remains unacceptably pervasive, misleading and aggressive," says Tedros Adhanom Ghebreyesus of WHO.

Say you're in your 50s. Maybe you're thinking, it's a good idea to catch SARS-CoV-2 now before you hit your 60s and would be at higher risk of severe illness? Or is that a very bad idea?

The Centers for Disease Control changed its guidelines for isolation and quarantine during this pandemic. Not everyone is sure how to define those terms. Also, not everyone is 100% behind the changes.

As researchers try to determine the severity of cases caused by the omicron variant, the question of what exactly constitutes mild, moderate and severe COVID is weighing on people's minds.

The requirements set by the Biden administration take effect Nov. 8 and cover approved vaccines, exceptions for the unvaccinated and protocols after arrival.