Original sentence: There was little interest after the discovery until 1971 when it was discovered that Culex mosquito eggs were killed when the sperm of Wolbachia infected males fertilized infection-free eggs (Cytoplasmic incompatibility)
Edited sentence: There was little interest after the discovery until 1971 when it was discovered that Culex mosquito eggs were killed when the sperm of Wolbachia-infected males fertilized infection-free eggs (Cytoplasmic incompatibility)