![SA Health & Medicine Vol 2 Issue 4](https://static.scientificamerican.com/sciam/cache/file/FADEECA3-EB28-4CC8-A7097B0E207EC894_source.jpg?w=300)
Volume 2, Issue 4
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Features
How to Use Masks during the Coronavirus Pandemic
What kinds of face coverings work for protection against COVID-19? How do you use them safely? A series of simple steps outlines the answers
Why Racism, Not Race, Is a Risk Factor for Dying of COVID-19
Public health specialist and physician Camara Phyllis Jones talks about ways that jobs, communities and health care leave Black Americans more exposed and less protected
COVID-19 Vaccine Developers Search for Antibodies That 'First Do No Harm'
Biotechs and pharma want to protect patients without triggering immune system havoc