@CNN: “We have not had a new class of antivirals for 20 years,” the director of a research authority said during a congressional hearing on national influenza preparedness and response https://t.co/z0y7u9fTXc

@CNN: “We have not had a new class of antivirals for 20 years,” the director of a research authority said during a congressional hearing on national influenza preparedness and response https://t.co/z0y7u9fTXc