Brazil - beautiful, exotic and jam-packed with a host of potentially deadly biters, suckers, invaders and other nasties. Virologist Dr Mike Leahy has been on a mission to meet the maddest and baddest of Brazil’s prolific beasties. From fire ants and invisible worms to vampire bats and the legendary candiru fish, Dr Mike put his body on the line to reveal what makes human hosts so attractive to these hungry critters. From the back streets of Rio de Janeiro to the forests of the mighty Amazon River, Mike found out how the tiniest and most innocuous looking animals can deliver the deadliest punch.
