• It is a tiny bacterium that is present in up to 60% of all species of insects, including several mosquito species, but not usually in the Aedes aegypti mosquito, the primary species responsible for transmitting dengue, chikungunya and Zika.
  • Wolbachia is one of the world’s most common parasitic microbes and possibly the most common reproductive parasite in the biosphere.
  • The experiment looked at whether introducing wolbachia in Aedes aegypti could indeed reduce their ability to transmit these diseases.