Infectious disease

GSK, Moderna and Pfizer are all looking at potential respiratory syncytial virus vaccine sales slumps thanks to recently updated CDC guidelines regarding the use of RSV shots in seniors.
As part of a major reorganization, Vir Biotechnology has discontinued the bulk of its virology work and pivoted to cancer in an exclusive licensing deal with Sanofi.
Moderna’s stock price plunged more than 20% in Thursday morning trading after the company lowered its 2024 revenue guidance due to weak demand for its coronavirus vaccine in the second quarter.
Systemic administrative and policy challenges, including updated CDC guidelines regarding the use of RSV shots in seniors, have forced GSK to lower its 2024 outlook for its vaccines business.
Second-quarter revenues were better than analysts expected as Merck reported 16% growth for its blockbuster cancer treatment Keytruda, while Pfizer benefited from its ongoing cost-cutting efforts and sales of its COVID-19 antiviral Paxlovid.
RSV
Merck’s clesrovimab lowered the risk of medically attended lower respiratory infections associated with RSV infection when used in infants, according to topline results announced Tuesday.
Oral doses of SIGA Technologies’ antiviral drug Tpoxx will help the U.S. maintain its reserves of the vaccine in preparation for future potential outbreaks, according to the company.
The last few months have been difficult for Gilead, with several late-stage failures and development discontinuations. Amid these problems, Merdad Parsey will be stepping down from his CMO role early next year.
Investment in the development of new antimicrobials is falling rapidly, even as the global public health threat of antimicrobial resistance is growing increasingly severe worldwide.
GSK on Wednesday restructured its contract with CureVac to gain access to the biotech’s influenza and COVID-19 programs for $430 million upfront and up to $1.13 billion in future payments.
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