The project is a first for the U.S.
"We showed that no age was 'protected' from the virus, and that all ages can carry high levels of the virus," co-author Dr. Lael Yonker, director of the MGH Cystic Fibrosis Center, told Newsweek.
One disease expert said it may be a "more infectious but less deadly" mutation, but others weren't convinced.
The woman's swimming partner said "many years of New York self-defense classes" helped her wrestle her hand from the animal's mouth.
Prime Minister Scott Morrison said Australia was aiming for 95% coverage.
The U.S. makes up around a quarter of both the worldwide total of COVID-19 cases and deaths.
The man's daughter donated her feces for the transplant
Ninety percent of urine samples of the general populations in the U.S. contain traces of BPA.
The authors believe a second wave may affect areas outside of hard-hit cities worse.
Stopping people in the normal range from gaining weight could prevent 12 percent of premature deaths, according to the research.
President Vladimir Putin announced Russia and approved a coronavirus vaccine earlier in the week.
Microsoft co-founder and billionaire philanthropist Bill Gates has questioned the position of anti-vaxxers amid the COVID-19 crisis.
Scientists analyzed the cells and behavior of mice for their study.
Kate Connor, assistant professor of pediatrics at Johns Hopkins University School of Medicine, told Newsweek: "This increase in pediatric cases underscores the fact that children do become infected with coronavirus and can become ill."
The Oscar-winning actor said he'd be "talkin shop" with the top infectious disease expert and White House coronavirus task force member.
Top immunologist Dr. Anthony Fauci said the virus could be brought under control if certain steps are followed.
The percentage of people in Stockholm who had antibodies against the coronavirus was thought to be around 15 percent in May.
Co-author professor Bonnie Halpern-Felshe told Newsweek: "These findings show yet again that e-cigarettes are harmful to youth and in particular, related to lung illness."
President Donald Trump claimed the pandemic of 1918 contributed to the end of World War II, which started in 1939.
The U.S. suprassed 5 million cases on Sunday, meaning it makes up almost a quarter of the global total.
More than 150 people have died after an explosion in the Lebanese capital of Beirut.
The restaurant's co-owner said he doesn't believe he was endangering anyone.
One of the children was 9 years old.
The U.S. continues to lead the world in coronavirus cases and deaths.
The FDA issued but later removed an emergency use authorization for the anti-malarial drug and its sister medicines for COVID-19, due to the risk of heart rhythm problems in these patients.
Scientists explored the link between dementia and a blood pressure condition with a range of causes.
The top infectious disease expert said the COVID-19 coronavirus is his "worst nightmare" due to its ability to spread and sicken people.
The country was left of the U.S. State Department's updated "Do Not Travel" advisory.