Epidemics and pandemics are two of the worst tragedies in the history of humankind, killing millions and transforming whole civilizations. Though medicine and epidemiology have made great strides in ...

Five years after the novel coronavirus emerged, historians see echoes of other great illnesses, and legacies that are unlike any of them. Credit...Katherine Lam Supported by By Gina Kolata Five years ...

Even after that virus died out, it would be years before scientists better understood what happened, and some mystery still ...