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Are COVID Vaccines Safe in Adolescence?

An interesting research paper published in the New England Journal of Medicine by Frenck and others May 27th 2021 researched this issue.   Until recently, vaccines against SARS-CoV-2 have not been authorised for emergency use in persons under the age of...

Vaccine Efficacy

A report published as a preprint in medRxiv May 21st by Shapiro and others helps to evaluate this issue.  The authors used data from publication, reports, and press releases and concluded that the average efficacy of the Pfizer, Moderna, Johnson & Johnson,...

Can One Have COVID-19 But Be Antigen and PCR Negative?

An interesting correspondence by Lekpa and others published in The Lancet Infectious Diseases May 28th 2021 suggests that this is indeed the case.   They feel that the clinical case and context for the suspicion of COVID-19 needs to be brought into the...
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