6,285 results
6,285 results for: Virus
- Health & Medicine
Here’s what we know about booster shots for Moderna’s and J&J’s COVID-19 vaccines
Immunity against the coronavirus is waning, but additional doses of the same or different COVID-19 vaccines could help protect vulnerable people.
- Health & Medicine
How to choose a COVID-19 vaccine booster shot
To help you choose between the Pfizer, Moderna and Johnson & Johnson COVID-19 boosters, one reporter looked to the evidence and consulted experts.
- Health & Medicine
COVID-19 testing in schools works. So why aren’t more doing it?
School COVID-19 testing programs can keep kids in class and safe, but face challenges ranging from deciding on a testing strategy to parental buy-in.
- Health & Medicine
New studies hint that the coronavirus may be evolving to become more airborne
More coronavirus RNA is in fine aerosols than in larger droplets, but masks can reduce the amount of virus in the air.
- Health & Medicine
What does the first successful test of a pig-to-human kidney transplant mean?
For the first time, a pig organ was successfully attached to a human patient. It’s a step toward vastly increasing the supply of organs.
- Health & Medicine
How coronavirus vaccines still help people who already had COVID-19
Coronavirus vaccines give the immune system of previously infected people a boost, probably giving those people better protection against new variants.
- Health & Medicine
Colds and other common respiratory diseases might surge as kids return to school
Recent historically low levels of some respiratory illnesses may lead to outbreaks this fall and winter, creating disruptions as kids return to school.
- Health & Medicine
Pfizer says its COVID-19 vaccine is safe and works well for kids ages 5–11
A lower dose of the vaccine produced as many antibodies in elementary school–age kids as a full-dose shot did in teens and young adults.
- Health & Medicine
Why only some people will get COVID-19 booster shots at first
In the United States, boosters may next go to people 65 and older, those at high risk for severe disease and people whose jobs put them at high exposure risk.
- Animals
Viruses can kill wasp larvae that grow inside infected caterpillars
Proteins found in viruses and some moths can protect caterpillars from parasitoid wasps seeking a living nursery for their eggs.
- Health & Medicine
Why the CDC says it’s crucial to start wearing masks indoors again
While unvaccinated people are driving the spread of the coronavirus, vaccinated people infected with the delta variant may also easily transmit it.
- Health & Medicine
New delta variant studies show the pandemic is far from over
The coronavirus’s delta variant is different from earlier strains of the virus in worrying ways, health officials are discovering.
