February 22nd, 2022
Podcast 283: More data — this time from the U.K. — about post-Covid vaccination
You want more evidence that post-recovery vaccination against Covid-19 reinfection helps? Here is a careful study from the U.K. that followed some 35,000 health care workers — initially without symptoms — in over 100 institutions there. Starting in June 2020 the SIREN study tested these people regularly, with blood sampling every month and nasal swabs […]
February 17th, 2022
Podcast 282: Vaccination after Covid-19 recovery prolongs natural immunity to reinfection
Governments’ directives about how and when to vaccinate people who’ve recovered from Covid-19 vary widely. But, according to this episode’s guest, Dr. Ronen Arbel, they all say they don’t have enough evidence to set firm policy. So, Arbel and his colleagues set out to collect evidence from some 150,000 patients’ records in Israel who’d recovered […]
January 14th, 2022
Podcast 280: MIS-C after Covid-19 in adolescents — can vaccination prevent it?
Multisystem inflammatory syndrome in children (or MIS-C) is a serious complication of Covid-19 infection, usually showing up about a month after infection. CDC worked with several hospitals around the U.S. to discern whether vaccination in adolescents would lessen the likelihood of this outcome. A vaccine hadn’t yet been approved, as it now is, for kids between […]
February 21st, 2020
Podcast 253: Is a single-dose HPV vaccination effective?
With human papillomavirus vaccine in short supply around, moving from a three- or two-dose regimen to one dose would immediately double or treble supplies, cut costs, and simplify logistics. A careful study in Cancer by this week’s guest, Ana Rodriguez, and her colleagues adds to the evidence that single-dosing is possible and protective against pre-cancerous cervical lesions. […]
April 4th, 2018
Podcast 220: Mumps outbreaks — blame waning protection, not new viruses or bad vaccines
Mumps outbreaks keep happening, even among vaccinated groups. Why? Our guest, Joseph Lewnard, and his coauthor, Yonstan Grad, probed studies of mumps vaccine efficacy carried out over five decades. They show that the fault, dear clinician, is not in our vaccines or new viral strains, but in ourselves. Our bodies slowly lose their immune response after […]
June 12th, 2015
Podcast 176: HPV Vaccine — How many doses are needed to confer protection?
Running time: 19 minutes We talk with Dr. Cosette Wheeler about a new Lancet Oncology paper that offers follow-up on two major trials of HPV-16/18 vaccines. The analysis adds more data to the suspicion that although three doses of vaccine are optimal, two or even one may offer substantial protection. Wheeler is very cautious on this point, […]
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