TWiV 901: COVID-19 clinical update #115 with Dr. Daniel Griffin

May 21, 2022

In COVID-19 clinical update #115, Dr. Griffin reviews cross-variant immunity without vaccination, EUA for boosters in 5-11 year olds, B.1.1.529 attack rate, scent dogs, Omicron and pets, Paxlovid, Veklury, Fluvoxamine, antigen positivity after isolation, inflammasome activation and severe disease, and GI persistence and fecal shedding.

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Intro music is by Ronald Jenkees

Send your questions for Dr. Griffin to daniel@microbe.tv

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2 comments on “TWiV 901: COVID-19 clinical update #115 with Dr. Daniel Griffin

  1. Callie May 21, 2022

    Paxlovid…family member took it after trip across country, symptoms on day 4. Tested positive. Teledoc prescribed it; Two years ago, Z-pack worked in 5 days. This time, doc refused that med. Seemed better but now two days after pills gone going back to when it started: Congested, fatigue. But since it’s experimental is it really worth taking another round? Not so much.

  2. H. Bradford Hawley, MD May 22, 2022

    Dofetilide, brand name Tikosyn (Pfizer), is a potassium channel blocker given for the prevention of atrial fibrillation and it metabolized through the P450 CYP3A4 pathway. Increased levels lead to prolonged QT intervals and torsades de pointes, a difficult to treat and potentially fatal ventricular arrhythmia. Dofetilide is not included specifically on the FDA list of Paxlovid drug interactions. Please mention this as it is a potentially fatal interaction with a drug that is most often given to elderly patients which would also be eligible for Paxlovid. These patients should be given remdesivir or molnupiravir.