Commentary

Vitamin A, Cod Liver Oil, and Measles

by Gertrud U. Rey The number of measles cases is steadily increasing across the United States, especially in areas with low vaccination rates. Instead of recommending that children be vaccinated with the measles, mumps, and rubella (MMR) vaccine, US Health and Human Services Secretary Robert F. Kennedy Jr. continues to promote ideas that are rooted …

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SARS-CoV-2 variant B.1.1.7 is not more virulent

When the B.1.1.7 variant of SARS-CoV-2 was first detected in the UK in December 2020 it was accompanied by unsubstantiated claims of increased transmissibility and virulence. The results of a hospital-based study in London reveals no association of the variant with severe disease in this cohort. In a note published by NERVTAG on 21 January …

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SARS-CoV-2 variants of concern

In recent months variants of SARS-CoV-2 have been detected that are unusual in that they have many more genome mutations than previously found. These have been called ‘variants of concern’ (VOC) as it has been suggested that the genome mutations might impact transmission, immune control, and virulence. Below I cover each of these issues separately. …

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