Current COVID-19 vaccines are not well-matched against the BA.2 sub-variant of Omicron, the U.S. Food and Drug Administration said on April 6, as its panel of outside experts meets to discuss changes to future booster doses.

A fourth dose of the Pfizer/BioNTech vaccine lowered rates of COVID-19 among the elderly but the protection against infection appeared short-lived, a large study in Israel found.

The U.S. Food and Drug Administration’s expert advisers will discuss the timing of additional COVID-19 vaccine boosters and the people eligible for the extra shots in a meeting later this week, the health agency said on April 4.

The Biden administration on Wednesday launched a new website to provide a clearinghouse of information on COVID-19 as part of a continuing effort to prepare Americans to live with the coronavirus.

The U.S. Centers for Disease Control and Prevention (CDC) on March 29 updated its recommendation to allow certain immunocompromised individuals and people over the age of 50 to receive an additional booster dose of COVID-19 vaccines.

The U.S. Food and Drug Administration will weigh the benefits of authorizing a round of boosters of either the Pfizer/BioNTech or Moderna COVID-19 vaccine to a broader population in the fall, a top official said on March 29.

Without holding a meeting of its vaccines advisory committee, the U.S. Food and Drug Administration (FDA) authorized a fourth shot of the Pfizer-BioNTech and Moderna COVID-19 vaccines for everyone 50 years of age and older. 

Senior citizens who received a second booster of the Pfizer-BioNTech COVID-19 vaccination had a 78 percent lower mortality rate from the disease than those who got one only, a study from Israel showed on March 27.

The U.S. drug regulator said on March 21 a panel of independent advisers will meet on April 6 to discuss considerations for use of COVID-19 vaccine booster doses.

The European Centre for Disease Prevention and Control (ECDC) said on March 18 that countries should provide free COVID-19 testing for refugees from Ukraine to avoid outbreaks as more than three million people flee their war-stricken homeland.