Sees major progress in science since 1918 Spanish flu outbreak, but says complications of politics have plagued every epidemic since.

Harvard scientists give their read on recent COVID data from the U.S. and South Africa.

Five former CDC directors convened for a panel about the future of the agency.

Harvard researchers launched new disease-modeling app for colleges and universities.

Experts said the complex rollout of a coronavirus vaccine gives the U.S. a chance for a win after the virus gained the upper hand in its initial phase.