6,291 results
6,291 results for: Virus
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- Health & Medicine
Coronavirus reinfections appear rare, especially in people younger than 65
Previous infections provide 80 percent protection in younger people and 47 percent in those over 65. Vaccines might help boost immunity further.
- Health & Medicine
Global inequity in COVID-19 vaccination is more than a moral problem
Wealthy countries are vaccinating at much higher rates than low-income countries. Such inequities could ultimately prolong the pandemic for all.
- Health & Medicine
People fully vaccinated against COVID-19 can socialize without masks, CDC says
Two weeks after their final COVID-19 shot, people can visit other vaccinated people indoors without masks or physical distancing.
- Life
A plant gene may have helped whiteflies become a major pest
An agricultural pest may owe part of its success to a plant detox gene it acquired long ago that lets the insect neutralize common defenses.
- Health & Medicine
Pfizer’s vaccine appears to reduce coronavirus transmission
People who carry low amounts of the coronavirus in their bodies are less likely to spread COVID-19. Pfizer’s shot appears to help reduce viral loads.
- Health & Medicine
What you need to know about J&J’s newly authorized one-shot COVID-19 vaccine
Even as a third COVID-19 vaccine becomes available in the United States, questions remain over how well it works and if people will take it.
- Health & Medicine
COVID-19 vaccines may be ready for teens this summer
Vaccinating children against COVID-19 is a crucial step towards reaching herd immunity and returning to pre-pandemic life.
- Health & Medicine
The U.K. approved the world’s first COVID-19 human challenge trial
Dozens of young, healthy volunteers will be deliberately exposed to the coronavirus to find out how much virus it takes to get someone sick.
- 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
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
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.
