6,294 results
6,294 results for: Virus
- Health & Medicine
How coronavirus variants may drive reinfection and shape vaccination efforts
New coronavirus variants could infect people who have already recovered from COVID-19 or been vaccinated, but there are still many unknowns.
- Health & Medicine
How 5 universities tried to handle COVID-19 on campus
U.S. colleges opened in the fall with a patchwork of control measures to keep COVID-19 at bay.
- Health & Medicine
COVID-19 precautions may be reducing cases of flu and other respiratory infections
The same efforts to prevent COVID-19’s spread can keep other respiratory infections at bay. But once we go back to normal, outbreaks could be larger.
- Health & Medicine
Most pro athletes who got COVID-19 didn’t develop heart inflammation
Few professional athletes developed heart inflammation after a bout of COVID-19, but how the findings relate to the general public isn’t clear.
- Health & Medicine
Novavax’s COVID-19 vaccine is effective, but less so with some variants
Novavax’s vaccine fends off the original coronavirus and a U.K. variant, but had more trouble with a South Africa variant.
- Health & Medicine
How coronavirus variants may pose challenges for COVID-19 vaccines
Some coronavirus mutations may make vaccines less effective, but the immune system is multifaceted and vaccines can be updated.
- Ecosystems
Wildfires launch microbes into the air. How big of a health risk is that?
How does wildfire smoke move bacteria and fungi — and what harm might they do to people when they get there?
- Health & Medicine
COVID-19 has exacerbated a troubling U.S. health trend: premature deaths
The pandemic played into already rising death rates from obesity, drugs, alcohol and suicide.
- Health & Medicine
What do COVID-19 vaccines mean for daily life in the months ahead?
Effective COVID-19 vaccines are a ray of hope. But masks and distancing are still necessary, especially with contagious variants spreading.
- Health & Medicine
One-shot COVID-19 vaccine is effective against severe disease
The effectiveness of Johnson & Johnson’s vaccine at preventing hospitalization and death holds up against a South Africa variant of the coronavirus.
- Health & Medicine
Making masks fit better can reduce coronavirus exposure by 96 percent
Double masking, rubber bands and other hacks can produce a tighter fit and prevent aerosol particles that can carry coronavirus from getting through.
- Health & Medicine
The COVID-19 death toll sent U.S. life expectancy plunging in 2020
Estimates show that American’s overall life expectancy declined by a year, but for Black Americans, the drop was almost three years.
