The World Health Organization’s European chief said on May 20 he is concerned that the spread of monkeypox could accelerate in the region as people gather for parties and festivals over the summer months.

The efficacy of boosters against COVID-19 is likely to decline over the next few months and people may need another shot in the fall of 2022, Moderna Inc. Chief Executive Officer Stephane Bancel said at a Goldman Sachs-organized healthcare conference on January 6.

Children attending summer camp can get within 3 feet (1 meter) of each other but should wear masks to limit the spread of Covid-19, according to fresh guidance issued by the U.S. Centers for Disease Control and Prevention.

President Joe Biden told U.S. states on March 11 to make all adults eligible for a coronavirus vaccine by May 1 and urged Americans to stay vigilant or face more restrictions, hours after he signed a $1.9 trillion stimulus bill into law.

President Joe Biden said the United States would not have enough coronavirus vaccine doses by the end of the summer to vaccinate all Americans.

President Joe Biden said it will be difficult for the United States to reach herd immunity, at least 75% of the population inoculated against the coronavirus, by the end of the 2021 summer.

The United States aims to acquire an additional 200 million doses of Covid-19 vaccines, President Joe Biden said, enough to inoculate most Americans by summertime.

China approved a Covid-19 vaccine developed by an affiliate of state-backed pharmaceutical giant Sinopharm on Dec. 31, the country’s first approved shot for general public use as it braces for increased transmission risks over winter.

Leading U.S. infectious disease specialist Dr. Anthony Fauci said he foresees America achieving enough collective Covid-19 immunity through vaccinations to regain “some semblance of normality” by autumn 2021, despite early setbacks in the vaccine rollout.

The first known U.S. case of a highly infectious coronavirus variant discovered in Britain was detected in Colorado on Dec. 29 as President-elect Joe Biden warned it could take years for most Americans to be vaccinated against Covid-19 at current distribution rates.