IgA Antibodies, Vitamin A, and COVID-19

There are four types of antibodies that each have different functions: IgM, IgG, IgA, and IgE. Generally IgE are responsible for classical allergy symptoms, while IgA are particularly important for protecting the mucous membranes of the eyes, nose, mouth, and gastrointestinal tract. In the immune response to an infectious disease, IgM usually appear first, followed …

NSAID Use in COVID-19 Remains Questionable

Yesterday, researchers from Denmark released a preprint* suggesting that use of non-steroidal anti-inflammatory drugs (NSAIDs) is not associated with severity or mortality in COVID-19. However, this paper leaves the issue quite unsettled. In Denmark, prescriptions are required for all NSAID use except ibuprofen in doses 200 mg or less in packs with no more than …