#covid

https://youtu.be/aqJPTz0I3zU "ACE2 expression follows a gradient along...the respiratory tract, with greater expression in the upperairway and decreasing further down"-these mutations have rendered covid to a cold-like the 5 covids that circulate now:~40% of common colds are from these "The location…

https://youtu.be/i-Vo_rwlJGw Ample evidence that the new mutation may signal...-the beginning of the end of the pandemic-evidence suggests there is a trade off between...-virulence and transmissibility (ability to infect others)-when more transmissible, less virulent (less severe) Ideally, a virus wants to…