Leonard Mermel
Microgravity weakens the immune system while it increases the virulence and antimicrobial resistance of some microorganisms. Sneezes also hang in the air a very long time.
October 18, 2012 | By David Orenstein
On a long spaceflight unique conditions including microgravity could give microbes the upper hand, but not if astronauts and their spacecrafts are properly prepared. In a new paper, infectious disease expert Dr. Leonard Mermel brings together a broad base of research to come up with specific recommendations for keeping astronauts safe in deep space.

