The U.S. Food and Drug Administration on May 17 authorized the use of a booster shot of Pfizer and BioNTech’s COVID-19 vaccine for children aged 5 to 11, making everyone in the United States over the age of 5 eligible for a third shot.

The European Center for Disease Prevention and Control said the number of unusual pediatric hepatitis cases reached 450, double the number reported two weeks earlier.

Moderna Inc. asked U.S. regulators to authorize the company’s COVID-19 vaccine for children under the age of 6, which would make it the first shot against the coronavirus available for those under 5-years-old.

Health authorities around the world are investigating a mysterious increase in severe cases of hepatitis – inflammation of the liver – in young children.

Children as young as 8 years old should be screened for anxiety and those ages 12 and over for depression, according to new recommendations by the government-backed U.S. Preventive Services Task Force (USPSTF).

Takeda Pharmaceutical announced positive results from the Phase III SHP643-301 trial of Takhzyro (lanadelumab) in kids ages 2 to <12 years with hereditary angioedema (HAE). The drug is already approved for HAE in people 12 years and older.

Shares of LogicBio Therapeutics fell more than 57 percent on February 2 after the company announced that its gene therapy for pediatric patients with methylmalonic acidemia was placed on clinical hold by the U.S. Food and Drug Administration.

Shares of Global Blood Therapeutics were up more than 10 percent in trading on December 17 following regulatory approval of a supplemental New Drug Application for oral Oxbryta (voxelotor) tablets for the treatment of pediatric sickle cell disease (SCD).

The U.S. Food and Drug Administration approved Merck’s anti-PD-1 therapy Keytruda for the adjuvant treatment of adult and pediatric (12 years and older) patients with stage IIB or IIC melanoma following complete resection. Additionally, the FDA expanded the indication for Keytruda as adjuvant treatment for stage III melanoma following complete resection to include pediatric patients (12 years and older).

The Pfizer Inc./BioNTech SE Covid-19 vaccine was 93 percent effective in preventing hospitalizations among those aged 12 to 18, according to an analysis released by the U.S. Centers for Disease Control and Prevention (CDC) on Oct. 19.