If the C.D.C. agrees, adults who received a second shot of the Pfizer or Moderna vaccine at least six months ago could be eligible by this weekend.
A study by researchers suggests that air filters can remove almost all airborne traces of COVID-19.
The analysis by Penn State and Iowa researchers strongly indicates that deer are getting the virus from humans, worrying experts about a deep wild reservoir for the virus.
“This new group can do all the fancy footwork it wants, but China’s not going to cooperate,” one expert said.
The Alpha variant traveled more efficiently in small droplets, two new studies found. The Delta variant may have continued this evolution.
Scientists believe the administration’s new measures may tamp down the pandemic, although the effects will not immediately be obvious.
Employees of the tech giant will not be required to report to the office until at least Jan. 10, CEO Sundar Pichai said in a blog post Tuesday.
Inside a bat’s brain, the pathogen destroys cells, but not before it forces them to build more invaders.
Vaccines have weakened the link between surging cases and serious illness, but in vaccine-deprived parts of the world, the deadly pattern remains.
The results of a federal study are yet another indication of the unpredictable nature of the disease.
Vaccines continue to be effective, particularly at preventing severe disease, according to the document. But they may not be as good at preventing infection or transmission of the delta variant.
Researchers and regulators say Joseph Mercola, an osteopathic physician, creates and profits from misleading claims about Covid-19. “I have every right to inform the public,” he says.
The Republican lawmaker from Georgia cannot tweet for 12 hours, after the White House criticized social media sites for amplifying vaccine lies.
Cats and dogs can be infected by the coronavirus — but cats are more susceptible to infection, a new study suggests.
Big cats, ferrets, apes and bears are benefiting from a gift of 11,000 doses, but vaccines for pets are not recommended.
Less than half the country is fully vaccinated against Covid-19, and the contagious Delta variant is spreading. Still, the White House is putting together an “America’s Back Together” celebration for July 4.
A few dozen human genes rapidly evolved in ancient East Asia to thwart coronavirus infections, scientists say. Those genes could be crucial to today’s pandemic.
By rooting through files stored on Google Cloud, a researcher says he recovered 13 early coronavirus sequences that had disappeared from a database last year.
Blood drawn from nine people in the earliest days of the pandemic tested positive for the infection. But some experts questioned the results.
A new study suggests how the variant first identified in Britain hides from the human immune system. Its stealth may be part of its success.
The government has turned to dating apps to encourage young people to get vaccinated against COVID-19.
The directive came as health officials and scientists have renewed calls for a more rigorous examination.
While the B.1.617 may be more transmissible, research shows that current Covid-19 vaccines will provide strong protection.
Researchers urge an open mind, saying lack of evidence leaves theories of natural spillover and laboratory leak both viable.
The restrictions were recommended by the Centers for Disease Control and Prevention and will go into effect Tuesday.
Even as vaccines make it safer to travel, planning a trip is becoming increasingly complicated.
Collaborating with devoted colleagues, Dr. Kariko laid the groundwork for the mRNA vaccines turning the tide of the pandemic.
The U.K. variant of the coronavirus, known as B.1.1.7, is now the most dominant strain circulating in the United States, health officials said.
Insights from behavioral economics and other fields suggest strategies that could increase participation in mass screening programs.
A joint investigation by the WHO and China into the origins of the coronavirus released Tuesday offered little in the form of concrete conclusions.
The coronavirus probably emerged in bats and spread to another animal before it jumped into humans, according to a study from the WHO and Chinese scientists.
Far more work is needed to understand how the pandemic began, the report says, but it is not clear that Beijing will cooperate. “We may never find the true origins,” an expert said.
Universities and other institutions looking to protect themselves from Covid-19 may benefit from sharing their testing resources with the wider community, a new study suggests.
Thermo Fisher Scientific’s new air sampler can help monitor for airborne pathogens, and signals renewed interest in bioaerosol surveillance.
People over 65 are more likely to experience a second bout with the virus, according to a large study of medical records.
Health departments continue to grapple with delays caused by technical problems with numerous websites used for making appointments.
The analysis also shows real-world evidence of the vaccine’s effectiveness against a highly infectious variant of Covid-19 first discovered in Britain.