The threat of the omicron variant comes as a gut punch to schools that were hoping to relax safety measures this spring.
An advisory panel to the FDA will consider Pfizer's application for those ages 5 to 11 on Tuesday. Children 12 and up have been eligible for vaccination since May.
An antiviral pill that people could take at home to reduce their symptoms and speed recovery could prove groundbreaking, easing the crushing caseload on U.S. hospitals.
The European Council updates the list based on criteria relating to coronavirus infection levels. It gets reviewed every two weeks.
Cases bottomed out in June but took about six weeks to go back above 100,000, despite a vaccine that has been given to more than 70 per cent of the adult population.
Published reports had said hundreds of celebrities, politicos and others were expected at Obama's sprawling house.
The new policy, announced by New York City Mayor Bill de Blasio, will be phased in over the coming weeks.
The order applies to everyone, regardless of vaccination status and starts on August 3.
While this week US saw a surge in Americans getting the shot, as covid-19 cases rise driven largely by the more infectious delta variant, still only about 60% of Americans are fully vaccinated.
Stressing the need for people to get vaccinated, he said "virtually all" of the Covid deaths and hospitalisations in the country are among the unvaccinated.
The Indian-American doctor said the vaccinated people are 'highly protected' and 99.5 per cent of the deaths recorded from the COVID-19 infection are among those who are unvaccinated.
The World Health Organization reported Wednesday that deaths climbed last week after nine straight weeks of decline.
The planned celebration will be the largest event of Biden's presidency and is designed to demonstrate the nation's victory over the virus as COVID-19 cases and deaths drop.
Nearly 45% of the nation's adults are fully vaccinated, and over 58% have received at least one dose, according to the Centers for Disease Control and Prevention.
The United Nations Educational, Scientific and Cultural Organization warned that the pandemic had put 24 million children worldwide at risk of dropping out of school.