Covid and comorbidities
In your Apr/May 2022 issue, you mention that almost all the Italians who died of Covid-19 had comorbidities, like arterial hypertension, irregular heartbeat or heart failure. I suggest that these people were often ill in the first place because of nutritional deficiencies, and, in most cases, their treatment made them more deficient.
For example, vitamin D is highly effective against respiratory viruses, and vitamin
