Ditto
This one is off the beaten path. The study starts at the END of the year, that will be when folks are either getting vaccinated or making plans to do so. Vaccines available in the first quarter of 2021 will win. REGARDLESS of the temp needed to administer.
Mountains will be moved to get out the vaccines.
The truth is incontrovertible. Malice may attack it, ignorance may deride it, but in the end, there it is.
Winston Churchill