FDA and CDC endorse expanded eligibility for Pfizer and Moderna COVID-19 booster vaccine doses; Pfizer seeks authorization for its COVID-19 antiviral pill.

Pfizer and BioNTech ask the FDA to authorize their COVID-19 booster vaccine for everyone age 18 and older; FEMA COVID-19 funding will continue until April 2022.

FDA authorizes the Pfizer COVID-19 vaccine for use in children ages 5 to 11 and delays approval of the Moderna vaccine in adolescents ages 12 to 17. The agency recommends providers avoid purchasing or using imported medical gloves from certain companies that might be in violation of laws and rules.

FDA and CDC recommend Moderna and Janssen booster vaccines, along with heterologous booster doses; the Biden administration releases a plan to vaccinate children.

The Vaccines and Related Biological Products Advisory Committee endorses booster shots of the Moderna and Janssen COVID-19 vaccines. Meanwhile, FDA delays authorization of the Moderna COVID-19 vaccine for emergency use in adolescents ages 12 to 17 after reports of cardiac side effects.

HHS guidance clarifies how HIPAA applies to COVID-19 vaccination status requests; CDC urges pregnant people to get vaccinated amid a surge in hospitalizations.

FDA on Sept. 22 authorized a third booster dose of the Pfizer-BioNTech COVID-19 vaccine for select groups. A CDC panel subsequently recommended the booster shots, and CMS announced coverage for all Medicare beneficiaries and nearly all Medicaid and Children's Health Insurance Program beneficiaries.

An FDA advisory committee recommends a Pfizer COVID-19 vaccine booster for a limited population; CDC announces $2.1 billion dedicated to infection control and prevention.

An FDA committee will review Pfizer's COVID-19 vaccine booster application; Moderna is applying for booster approval. CDC data show COVID-19 hospitalizations on the rise among children.

A CDC advisory committee voted Aug. 30 to recommend the Pfizer-BioNTech COVID-19 vaccine; the agency warns against using ivermectin to treat or prevent COVID-19.

FDA approves the Pfizer-BioNTech COVID-19 vaccine. HHS plans to promote a booster shot of the mRNA vaccines beginning in September. CMS and CDC work to develop an emergency regulation requiring COVID-19 vaccination for nursing home staff.

FDA and CDC recommend a third mRNA COVID-19 vaccine dose for immunocompromised people; CDC recommends COVID-19 vaccines for pregnant and breastfeeding people.

The Occupational Safety and Health Administration extends to Aug. 20 the comment period for the COVID-19 health care emergency temporary standard. The Centers for Disease Control and Prevention and the Food and Drug Administration say fully vaccinated individuals do not need COVID-19 booster shots.

Novavax's COVID-19 vaccine demonstrated 90.4 percent efficacy in clinical trials; CDC urges vaccination upon hospital discharge.

President Biden announces a National Month of Action to vaccinate 70 percent of U.S. adults by July 4; Moderna applies for FDA approval of its vaccine.

FDA lengthens the refrigerator storage time for the Pfizer COVID-19 vaccine. A new CDC site aggregates state and local COVID-19 funding opportunities. The Department of Health and Human Services allocates $4.8 billion to the HRSA COVID-19 Uninsured Program.

A CDC brief updates transmission methods; Pfizer applies for FDA approval of its vaccine; CMS increases the Medicare payment for monoclonal antibodies.

CDC and FDA lift the pause on Janssen vaccine administration after blood clot reports. Data show COVID-19 patients have long-term health needs.

Everyone in the United States ages 16 and older is now eligible for a COVID-19 vaccine; CDC's advisory committee will meet April 23 to discuss the Janssen vaccine pause.

HHS and CDC launch a nationwide grassroots vaccine promotion network; CDC issues new guidance on travel, cleaning, and disinfection.

FDA alerts providers about monoclonal antibody–resistant SARS-CoV-2 variants; a new study examines vaccine rates in counties where residents experience a high number of social risk factors.

FDA granted an emergency use authorization for the one-dose Janssen COVID-19 vaccine and an at-home COVID test; a multi-agency FAQ document addresses COVID-19 health coverage.

Janssen applied for emergency use authorization of its COVID-19 vaccine; a CDC report shows reporting gaps in ethnic and racial data of vaccine recipients.

CDC announces target groups for phases 1b and 1c of COVID-19 vaccine allocation; a new brief recommends strategies for building vaccine trust.

FDA issues an emergency use authorization for the Moderna vaccine and an at-home antigen test; a CDC committee votes on allocation recommendations.

FDA authorizes the Pfizer COVID-19 vaccine for emergency use; HHS expands hospital COVID-19 data reporting requirements to include therapeutic data.

CDC recommends groups to prioritize in vaccine distribution and revises antigen testing guidance.

Moderna applied for emergency use authorization for its COVID-19 vaccine; CDC issued ethical vaccine application principles and updated face mask guidance for health care workers.