A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including cattle that may have been reinfected. A pandemic is not inevitable, scientists say. But the outbreak has passed worrisome milestones in recent weeks, including cattle that may have been reinfected. your-feed-science, Coronavirus (2019-nCoV), Avian Influenza, Agriculture and Farming, States (US), Disease Rates, Epidemics, Vaccination and Immunization, Pets, Tests (Medical), Livestock, Birds, Milk, Cattle, Viruses, Influenza, Livestock Diseases, Agriculture Department, Centers for Disease Control and Prevention, California, Idaho, your-feed-health NYT > Science