Infectious disease

Tracy Beth Høeg addressed FDA staffers for the first time in her role as the fifth CDER chief under President Donald Trump, announcing inquiries into the use of SSRIs in pregnancy and RSV antibodies in infants despite well-documented safety of these treatments.
Arbutus alleges that Moderna’s COVID-19 vaccine infringes on patents protecting its lipid nanoparticle delivery technology.
Long an R&D company that partnered off assets, RNAi biotech Ionis Pharmaceuticals shifted in 2025 to bring two medicines to market alone. Analysts are already impressed—and there’s more to come in 2026.
Competing with giants like Takeda and Moderna, the plucky biotech believes it has unlocked a future with an easy, yearly oral vaccine.
After the FDA’s decision to reject a review of Moderna’s mRNA-1010 flu shot, executives explain what Americans will miss out on as other nations embrace the technology.
Moderna will not commit to previous 2028 breakeven guidance as the ripple effects of the FDA’s refusal-to-file decision spread through its pipeline.
The FDA issued a rare Refusal-to-File letter to Moderna over its mRNA-based influenza vaccine application, in an unusual move that sent the biotech’s shares tumbling.
IPO
Nearly 100 biotechs went public amid the industry’s IPO frenzy in 2021, driven by an influx of pandemic-driven investments. But many of those companies have little to show investors.
Despite Sanofi CEO Paul Hudson’s confidence in vaccines, the French pharma has cut at least one mRNA flu shot program.
Pfizer CEO Albert Bourla said that the main thing getting in the way of changing vaccine discussions in the U.S. is the Secretary of Health, Robert F. Kennedy, Jr.
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