6,240 results
6,240 results for: Virus
- Health & Medicine
These are the viruses that defined 2024
Here’s the latest on mpox, bird flu, dengue and other viral outbreaks that flared up this year.
- Health & Medicine
Why a norovirus vaccine isn’t available — yet
Norovirus is highly infectious and causing a lot of illness this winter. Several vaccine candidates are making their way through clinical trials.
- Health & Medicine
What to know about the first bird flu–related death in the U.S.
H5N1 has infected 66 people in the United States since early 2024, mostly causing mild illness. A Louisiana man was the first to get severely sick.
- Science & Society
5 years after COVID-19 became a pandemic, are we ready for what’s next?
We’ve learned a lot about COVID-19 over the last five years, but big questions remain. Recent federal actions may hinder the disease’s management.
- Health & Medicine
What bird flu experts are watching for in 2025
Since early 2024, the U.S. has logged 66 human cases of H5N1. Scientists are keeping a watchful eye on the virus’s spread as we enter a new year.
- Health & Medicine
The virus behind an outbreak in Brazil can spread from mother to fetus
Transmission of Oropouche virus to the womb has been confirmed in two stillbirths and one birth with congenital anomalies that occurred in Brazil.
- Health & Medicine
Why finding bird flu in a U.S. pig for the first time is raising new worries
Swine can act as so-called “mixing vessels” for human and bird flus, giving avian viruses an opportunity to adapt for spreading in people.
- Health & Medicine
A second version of bird flu is infecting cows. What does that mean?
While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.
- Health & Medicine
A viral gene drive could offer a new approach to fighting herpes
A new gene drive can copy and paste itself into the genomes of herpes simplex viruses in mice. The end goal is a version that disables the virus in humans.
- Health & Medicine
Measles is spreading. Here’s what experts say you should know
The uptick in measles cases has left many people wondering about early signs of measles, whether they need an updated vaccine and treatment options.
- Health & Medicine
Vaccines for mpox are finally reaching Africa. But questions about the virus remain
With concerns that mpox may now spread more easily and be more severe, researchers warn that failing to curb the outbreak means “nobody is safe.”
- Health & Medicine
Bird flu viruses may infect mammary glands more commonly than thought
H5N1 turning up in cow milk was a big hint. The virus circulating in U.S. cows can infect the mammary glands of mice and ferrets, too.
