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Fewer Americans this year plan on taking precautions against Covid-19 when hosting or attending holiday gatherings compared with last year, signaling some return to normalcy now that 59% of the country is vaccinated against the virus.
 

Cases of the flu are starting to pick up across the country. Experts expect influenza to make a comeback after it was virtually extinct last year. But COVID-19 could muddy the waters as far as the accurate reporting of those cases.
 

The antiviral drugs have helped inspire hope among senior administration officials that the United States will be able to curb the devastating toll from the Delta variant.
David Dowdy and Amesh Adalja are quoted. 
 

Clearly, not all consumers are willing or ready to return to the cinemas again. Part of that may have to do with latent fears related to gathering in crowded spaces. But as vaccination rates continue to rise, are such fears grounded in science?
 

More people who were originally vaccinated with the Johnson & Johnson are "mixing and matching" for their booster.
 

During a Washington Post Live forum on children's health, Kawsar Talaat raises concerns about the increase in pediatric vaccine hesitancy.
 

A new study compares the decline in effectiveness against infection of the three COVID-19 vaccine brands available in the U.S. The vaccines declined in effectiveness significantly after six months.
 

As tens of millions who are eligible in the United States consider signing up for a Covid-19 booster shot, a growing body of early global research shows that the vaccines authorized in the United States remain highly protective against the disease’s worst outcomes over time, with some exceptions among older people and those with weakened immune systems.
 

Advocates are pushing Congress to provide more funding to prepare for future pandemics after preparedness money in President Biden's $1.75 trillion social spending and climate package was scaled back.
 

A new surge of Covid-19 cases is expected to start hitting the United States around Thanksgiving just as the holiday season begins, public health experts are warning.
 

The U.S. says that it’s inviting the global community to visit now that the government has ended the ban on travelers from 33 countries.
 

COVID-19 booster shots are now available for certain fully vaccinated people after evidence revealed the initial series of shots — two doses for the Pfizer and Moderna vaccines, and one dose for the Johnson & Johnson vaccine — appear less effective against the delta variant as protection wanes over time.