Simon-Quote: "There are strong correlations with vitamin D deficiency that indicate that governments could have done a lot just by handing out cheap supplements to at-risk people. Just one of the many simple basic things they could do but don't, preferring instead to expand their powers of control over people."
I agree, I noted early in this epidemic, that some med/sci info about Vitamin D indicated that it may help/prevent Covid19. According to an Aust.Dr (John Campbell) only two small specific trials (one Spanish, on Indian have been run in 2020. You can see Campbell's comments (he's somewhat tedious to listen to, but his info is OK) in this Youtube video. https://www.youtube.com/watch?v=GCSXNGc7pfs&t=567s.
I should point out that Vit. D is a problem because people spend less time in the open (sunshine)
The other health aid that may help is zinc - some trials are being run/ See:
Quote:
Can Zinc fight COVID-19?
The Department of Surgery at Austin Health have started recruitment on a world-first trial to investigate whether intravenous zinc can assist in the fight against coronavirus (COVID-19).
... The trial will be led by A/Prof Joseph Ischia, along with Prof Damien Bolton and Dr Oneel Patel from the Department of Surgery at the University of Melbourne. They have a long and successful history of investigating the protective effects of intravenous zinc against organ damage induced by lack of oxygen.
https://medicine.unimelb.edu.au/school-structure/surgery/news-and-events/can-zinc-fight-coronavirus-covid-19
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And a paper posted on the web-site of Frontiers of Immunoloogy (July 10, 2020) titled,
Described the importance of Zinc in the Abstract.
Abstract (Summary)
During the current corona pandemic, new therapeutic options against this viral disease are urgently desired. Due to the rapid spread and immense number of affected individuals worldwide, cost-effective, globally available, and safe options with minimal side effects and simple application are extremely warranted. This review will therefore discuss the potential of zinc as preventive and therapeutic agent alone or in combination with other strategies, as zinc meets all the above described criteria. While a variety of data on the association of the individual zinc status with viral and respiratory tract infections are available, study evidence regarding COVID-19 is so far missing but can be assumed as was indicated by others and is detailed in this perspective, focusing on re-balancing of the immune response by zinc supplementation. Especially, the role of zinc in viral-induced vascular complications has barely been discussed, so far. Interestingly, most of the risk groups described for COVID-19 are at the same time groups that were associated with zinc deficiency. As zinc is essential to preserve natural tissue barriers such as the respiratory epithelium, preventing pathogen entry, for a balanced function of the immune system and the redox system, zinc deficiency can probably be added to the factors predisposing individuals to infection and detrimental progression of COVID-19. Finally, due to its direct antiviral properties, it can be assumed that zinc administration is beneficial for most of the population, especially those with suboptimal zinc status."
Link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7365891/
Likely (as suggested by Simon) if governments had just provided these two supplements to the general population, man deaths may have been prevented