Malaria, alone, was responsible for more than 600,000 deaths worldwide in 2021, the last year for which data was available, and more than three-quarters of the victims were under the age of 5.

A team from UC San Diego, John Hopkins and UC Berkeley Universities found a way to edit a single gene in a mosquito that prevented it from transmitting malaria.

Africa’s 1.5 billion people accounted for 95% of an estimated 597,000 malaria deaths worldwide in 2023, according to the WHO. More than three-quarters of those deaths were among children. In ...