The Earth have closed most of its economy for most of 2020, and have proven that the nations undergoing social distancing, economical shut down and the wearing of mask performed worst then those not doing so into fighting covid 19. The proof have been made that a placebo would have perform better in all cases. Covid is not impressed by any of those extreme measures against the fundamental needs of men, women and children.
No need to study such thing scientifically on laboratory (on a significant sample of the population), since all humanity have taken part to it as a guinea pig.
On the other hand, that study have also served other collection of data of equal value concerning global warming. Since the poles have kept on melting and that the fires in forest have drastically increase following those measures, the data suggest that global warming originates from the group of nations that have ignored all form of quarantine and other measures implemented by the compliant nations to put aside their general ability to live for the benefit of this study.
We therefore recommend that Gretta, Gates & Melinda and Soros, along with all the philanthropists within the "Synagogue of Satan*", to be concerned with those nations as they pursue their investigation in such crucial concern.
* by A. C. Hitchcock, 2013.