Why Animal-to-Human Viruses Are on the Rise
Scientists are increasingly concerned that environmental degradation is linked to an increase in the transmission of viruses — like the coronavirus from animals to humans. Reporter Kurtis Alexander explains why damage to habitat and other environmental factors contribute to explosions of novel viruses. | Get unlimited Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices
