How a Drug For Pets Could Prevent Zika and Malaria

Diseases spread by pests like mosquitoes and fleas remain global health problems. To prevent transmission, public health strategy has largely focused on using insecticides or bed nets. Vaccines are also under development for diseases like Zika, but few are approved for use. Now, a new study suggests that medicines already used for pets to protect against fleas and ticks could offer similar protection for humans.