A new formulation entering clinical trials in Brazil, Mexico, Thailand and Vietnam could change how the world fights the pandemic.
Tag: your-feed-science
Virus Variants Threaten to Draw Out the Pandemic, Scientists Say
Declining infection rates overall masked a rise in more contagious forms of the coronavirus. Vaccines will stop the spread, if Americans postpone celebration just a bit longer.
Fully Vaccinated Americans Can Travel With Low Risk, C.D.C. Says
They should still wear masks but no quarantines are necessary, the agency said in new guidance that cited growing data about the effectiveness of the shots.
Can Vaccinated People Spread the Virus? We Don’t Know, Scientists Say.
Researchers pushed back after the C.D.C. director asserted that vaccinated people “do not carry the virus.”
Virus Variants Can Infect Mice, Scientists Report
Infected rodents pose no immediate danger to humans, but the research suggests that mutations are helping the coronavirus expand its range of potential hosts.
The Pfizer-BioNTech Vaccine Is Said to Be Powerfully Protective in Adolescents
A clinical trial found no symptomatic infections among vaccinated children ages 12 to 15, the companies said, and there were no serious side effects. The data have not yet been reviewed by independent experts.
Coronavirus Origins Remain Unclear in W.H.O.-China Inquiry
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.
JAMA Editor Placed on Leave Following Racial Controversy
After a staff member dismissed racism as a problem in medicine on a podcast, a petition signed by thousands demanded a review of editorial processes at the journal.
Pfizer Begins Testing Its Vaccine in Young Children
Other drug makers have begun similar trials of their Covid-19 vaccines. If they work in children younger than 12 as expected, it will be easier for the U.S. to reach herd immunity.
The Most Intimate Portrait Yet of a Black Hole
Two years of analyzing the polarized light from a galaxy’s giant black hole has given scientists a glimpse at how quasars might arise.