This Week in Virology

TWiV 1268: Clinical update with Dr. Daniel Griffin

Nov 8, 2025
Dr. Daniel Griffin, an infectious disease clinician and researcher, offers a wealth of insights on viral infections. He discusses concerning links between in utero SARS-CoV-2 exposure and neurodevelopmental issues in children. The benefits of HPV vaccination in enhancing viral clearance are explored, alongside the troubling rise in measles cases among vaccinated healthcare workers. He also highlights the effectiveness of Paxlovid in reducing COVID-related hospitalizations and the role of vaccination in preventing long COVID in adolescents, making a strong case for science in healthcare.
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INSIGHT

In-Utero COVID Raises Early Neurodevelopment Risk

  • Maternal SARS-CoV-2 infection during pregnancy associates with higher neurodevelopmental diagnoses by age three.
  • Third-trimester exposure produced the largest effect and male offspring were most affected.
INSIGHT

HPV Vaccine Shows Therapeutic Benefits

  • HPV vaccination can enhance viral clearance and lower recurrence after conization, even when given after infection.
  • Studies show remission up to 72% in vaccinated women versus 46% in controls and 87% lower recurrence after conization.
INSIGHT

Asymptomatic H5N1 Occurs In Humans

  • Asymptomatic human H5N1 infections have been documented, lowering the true infection fatality rate compared with early reported case-fatality rates.
  • The review found 18 reported asymptomatic H5N1 infections with molecular or serologic confirmation.
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