Medical Notes: Week of September 20, 2020

Scientists have learned why symptoms of a coronavirus infection includes the loss of the sense of smell.

Then, a new nasal vaccine has proven effective in prompting an immune response in mice without causing illness.

To keep COVID-19 from spreading indoors, scientists say we may need a new generation of air conditioners.

And finally… some good news if you’ve always thought that selfish jerks get ahead quicker than nice people in this dog-eat-dog world.