ENCORE What you can’t see … can make you sick. Humans have been battling viruses and bacteria since the beginning of time. The malaria parasite has been keeping deadly company with us for 500,000 years. King Tut had it and so did Julius Caesar. What’s keeping this bug going today?
Also, how disease almost halted the most ambitious engineering project in the world … how elite disease detectives puzzle out perplexing epidemics … And – could tiny bugs from spaaace, ace, ace be our ancestors?
First aired August 2, 2010