Scientist lets thousands of mosquitoes bite him daily for research

An Australian scientist lets up to 5,000 mosquitoes bite his arm on a daily basis as part of his research to fight dengue fever. The insects Perran Ross feeds are infected with Wolbachia, a bacterium known to block the spread of dengue. His work involves infecting mosquito eggs with the bacterium and then breeding Wolbachia-carrying mosquitoes in the lab.