The World Health Organization declared COVID-19 a pandemic five years ago and many of the changes made to avoid illness have become part of life.
Trusted Messengers' exhibit, which opens Saturday, will include materials from vaccine development at Penn's Weissman Lab.
In 2024, the CDC worked with the WHO to respond to a Marburg virus outbreak in Rwanda that lasted for several months. On average, about half of people infected with Marburg virus do not survive, so ...