CDC updated its COVID-19 safety guidelines, FDA warned of false negative test risks, and bebtelovimab will transition to the commercial marketplace.

HHS agreed to purchase 66 million Moderna bivalent COVID-19 vaccine doses, while the CDC reported fewer vaccine reactions for those older than 50 who receive a second mRNA booster shot.

As the World Health Organization declares monkeypox a global health emergency, CDC updates clinical guidance, and HHS plans to allocate additional vaccine doses.

FDA approves the Novavax COVID-19 vaccine for those 18 and older as the Biden-Harris administration releases an action plan to take on the BA.5 subvariant.

FDA approves the Pfizer COVID-19 vaccine for use in individuals ages 12 to 15 and authorizes state-licensed pharmacists to prescribe Paxlovid.

The strategy aims to deploy vaccines rapidly in the most affected communities, facilitate testing, and engage stakeholders to mitigate spread.

FDA advises vaccine manufacturers to incorporate an omicron variant component into booster doses; Pfizer requests FDA approval of antiviral pill Paxlovid.

CDC recommends the Moderna vaccine for kids ages 6 to 17; an FDA committee will consider modifying COVID-19 vaccine composition to reflect virus mutations.

CDC recommends that children ages 6 months to 5 years receive a COVID-19 vaccine; Pfizer study data shows Paxlovid failed to alleviate COVID-19 symptoms.

An FDA advisory committee deliberates the safety of Novavax's COVID-19 vaccine and will consider amendments to Pfizer's and Moderna's authorization requests later this month.

FDA extended the shelf life of select lots of bebtelovimab and updated the authorization for Evusheld to include information about hypersensitivity risks.

Pfizer and BioNTech release promising data on a three-dose COVID-19 vaccine for children six months to younger than 5; CDC expands booster shot eligibility to include everyone 5 years old and older.

HHS urges governors to start planning for the end of the COVID-19 public health emergency; FDA authorizes a Pfizer booster vaccine for children ages 5 to 11.

FDA limits authorized use of the Janssen COVID-19 vaccine after reports of thrombosis with thrombocytopenia syndrome following vaccination; a new analysis estimates vaccines are associated with $2.6 million in savings due to a reduction in Medicare hospitalizations.

A new omicron subvariant, BA.2.12.1, constitutes more than 30 percent of U.S. genomic sequences; Moderna files for emergency use authorization for a vaccine for children younger than 6.

Moderna releases promising preliminary data on its variant-specific COVID-19 booster shot; CDC launches a Center for Forecasting and Outbreak Analytics.

President Joe Biden announces a national research plan on prolonged illness developed after COVID-19; FDA limits authorization of sotrovimab to treat COVID-19.

Research shows mRNA vaccines effectively prevent ventilation and death from COVID-19; Pfizer and Moderna seek authorization for an additional booster dose.

CDC announces a new community-level framework that assesses COVID-19 risk; the Biden administration unveils a new COVID-19 mitigation plan for people with disabilities.

National emergency extended; new study highlights conditions and symptoms developed after COVID-19 infection; CDC updates vaccine guidance with clarifications for immunocompromised people.

President Joe Biden signed a continuing resolution to keep the government funded through March 11; Biden invited all members of Congress to attend the annual State of the Union address on March 1.

The Senate voted 50–46 to confirm Robert Califf, MD, as commissioner of the Food and Drug Administration (FDA); The FDA has not had a confirmed commissioner for more than a year. Senators continue work to pass a short-term continuing resolution to fund the government past Feb. 18.

Authorization for the Pfizer COVID-19 vaccine for children six months to four years old is delayed; FDA authorizes the monoclonal antibody bebtelovimab.

Pfizer and BioNTech apply for emergency use authorization for their pediatric COVID-19 vaccine; CDC recommends the Moderna COVID-19 vaccine; Medicare will cover over-the-counter COVID-19 tests.

FDA approves the Moderna COVID-19 vaccine and limits a monoclonal antibody authorization; OSHA withdraws its vaccine mandate emergency temporary standard.

The Biden administration will distribute 400 million no-cost N95 masks; CDC studies highlight the importance of boosters in protecting against COVID-19.

House lawmakers noted upcoming federal funding legislation could be an opportunity for additional COVID-19 relief. A Senate committee examines COVID-19 variants and the federal response. Both chambers released draft schedules for their 2022 work.

FDA expands authorization for the Pfizer COVID-19 booster; FDA authorizes two antiviral pills; CMS updates guidance on vaccine mandate compliance.

The legislation delays looming Medicare payment cuts and creates an expedited pathway for debt limit relief; Senate Democrats this week are expected to release legislative text for a $2 trillion debt limit increase — sufficient to last through the 2022 midterm election.

FDA authorizes the Pfizer COVID-19 vaccine booster for individuals as young as 16; the agency also authorizes a monoclonal antibody for COVID-19 prevention.

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.