(Houston, TX) -- NASA is issuing a warning about space herpes, reporting the virus had flared up in rocket astronauts. The research in the journal Frontiers Microbiology says the extreme stress put on the body by space travel causes a suppressed immune system. When the immune system is suppressed, once-dormant viruses are then able to reactivate.
Reports say the longer the spaceflight mission, the more the viruses seemed to reactivate, which could post significant risks to astronauts.