Millions of People Living with HIV Are Alive, Thanks to a 20-Year Public Health Effort
Being infected with HIV is no longer a terminal diagnosis, but researchers are looking to fill the gaps that remain to ensure treatment reaches all who need it
How to Avoid the Dreaded Norovirus
Norovirus, the so-called winter vomiting disease, is making its seasonal rounds across the U.S. Here’s what you should know
Vaccine Makers Are Preparing for Bird Flu
Although most experts say bird flu is not an immediate threat to humans, efforts are underway to produce vaccines for H5N1 or another potential pandemic virus
Three New Ebola Vaccines Will Soon Be Tested in Uganda
Health care workers in Uganda will be among the first people to receive candidate Ebola vaccines in a clinical trial that could expand the available tools for the control of Sudan ebolavirus outbreaks
Chances of Finding COVID-Causing Virus Ancestor ‘Almost Nil,’ Virologists Say
A genome analysis finds SARS-CoV-2 and bat coronaviruses shared an ancestor just a few years ago, but extensive recombination has muddied the picture
RSV Is Spreading: What We Know about This Common and Surprisingly Dangerous Virus
Your questions answered about what RSV is, how it spreads, what vaccines are on the way and who is most at risk
Ebola Outbreak in Uganda Surges, but the Country Has a Plan
Uganda’s Ebola incident commander talks with Scientific American about the outbreak’s spread, the country’s response and the risk of cross-border transmission
Does a Smallpox Drug Work for Monkeypox? What Scientists Know
The antiviral Tecovirimat (TPOXX) shows promise against monkeypox, but human data and supplies are limited
New Polio Outbreaks Worldwide Put Scientists on Alert
Cases of paralysis in the U.S. and Israel suggest vaccine-derived poliovirus has infected many people
First U.S. Polio Case in Nearly a Decade Highlights the Importance of Vaccination
An unvaccinated person in New York State’s Rockland County developed paralysis from a polio infection, emphasizing the need to target vaccination efforts to vulnerable communities
Dog That Caught Monkeypox Highlights Risk to Pets and Wild Animals
A greyhound in Paris was infected with monkeypox from its owner, underscoring the possibility of a viral reservoir in animals
Monkeypox Is a Sexually Transmitted Infection, and Knowing That Can Help Protect People
In the U.S., Black and Latino men who have sex with men are most vulnerable to monkeypox