The IV antiviral drug remdesivir (Veklury – Gilead) has been available for treatment of COVID-19 in hospitalized patients since 2020. Now, the FDA has approved remdesivir for treatment of mild to moderate COVID-19 in outpatients ≥12 years old who weigh ≥40 kg and are at high risk for progression to severe disease, including hospitalization or death; they also issued an Emergency Use Authorization (EUA) allowing its use in any other high-risk outpatient who weighs ≥3.5 kg.

An outbreak of mumps has occurred among students at Fordham University in New York. All of those who developed mumps had been vaccinated against the disease.

The FDA has expanded its Emergency Use Authorizations (EUAs) for the COVID-19 vaccines manufactured by Pfizer/BioNTech (Comirnaty) and Moderna (Spikevax) to permit use of the bivalent formulations of these products (containing mRNA from the original and BA.4/5 Omicron strains of SARS-CoV-2) as a booster dose in children as young as 5 years old (Pfizer) or 6 years old (Moderna). The bivalent Pfizer vaccine had previously been authorized for use in persons ≥12 years old and the bivalent Moderna vaccine in persons ≥18 years old. Bivalent vaccines are not authorized for...

On May 10, 2021, the FDA expanded its Emergency Use Authorization (EUA) for the Pfizer/BioNTech mRNA-based COVID-19 vaccine to include adolescents 12-15 years old.1The vaccine has been authorized for use in persons ≥16 years old since December 2020.

Rimantadine hydrochloride (Flumadine - Forest), the alpha-methyl derivative of amantadine (Symmetrel, and others), was recently approved by the US Food and Drug Administration for prevention and treatment of influenza A virus infections in adults and for prevention of influenza in children.

The FDA has expanded its Emergency Use Authorizations (EUAs) for the COVID-19 vaccines manufactured by Pfizer/BioNTech (Comirnaty) and Moderna (Spikevax) to permit use of the bivalent formulations of these products (containing mRNA from the original and BA.4/5 Omicron strains of SARS-CoV-2) in children as young as 6 months. The bivalent Pfizer vaccine is authorized for use as the final dose of a 3-dose primary series in children 6 months to 4 years old. The bivalent Moderna vaccine is authorized for use as a booster dose in children 6 months to 5 years old who completed a primary...

The FDA has expanded the Emergency Use Authorizations (EUAs) for the mRNA COVID-19 vaccines manufactured by Pfizer-BioNTech (Comirnaty) and Moderna (Spikevax) to allow for their use as a second booster dose ≥4 months after a first booster dose in adults ≥50 years old and in persons aged ≥12 years (Pfizer) or ≥18 years (Moderna) who have undergone solid organ transplantation or have a condition that compromises the immune system to a similar extent.

The FDA has approved fostamatinib disodium hexahydrate (Tavalisse – Rigel), the first spleen tyrosine kinase (SYK) inhibitor, for oral treatment of thrombocytopenia in adults with chronic immune thrombocytopenia (ITP) who have had an insufficient response to a previous treatment.

An outbreak (8 cases to date) of meningococcal disease at Princeton University caused by Neisseria meningitidis serogroup B has led the FDA and CDC to permit importation and investigational use (at Princeton University only) of a meningococcus B vaccine (4CMenB; Bexsero – Novartis) that has not been approved in the US. Bexsero has been approved for use in the European Union and in Australia.THE VACCINE — Until recently, no serogroup B vaccine was widely available because the polysaccharide capsule of the B serogroup, unlike those of the other main meningococcal serogroups (A, C, Y, and...

The FDA has approved avelumab (Bavencio – EMD Serono) and durvalumab (Imfinzi – AstraZeneca), two new immune check point inhibitors, and pembrolizumab (Keytruda – Merck), a checkpoint inhibitor that has been available in the US since 2014, for treatment of locally advanced or metastatic bladder cancer. Nivolumab (Opdivo) and atezolizumab (Tecentriq) were approved earlier for this indication.