Coronavirus - Harvard University

COVID-19

With the virus now endemic, Harvard experts continue to explore how the disease works, how to minimize its damage, and how to prevent a similar outbreak.

Last updated: January 2025

Cutting through the fog of long COVID

Researchers are still trying to fully understand long COVID, but initial research shows that a reservoir of viruses in the body may explain some people’s symptoms, healthy lifestyle changes point to a reduced risk of the disease, and new tools may help doctors identify more people who are suffering.

A person with a bandaid on their arm after a shot

COVID vaccine update

Vaccinologist Kizzmekia Corbett-Helaire of Harvard Chan School answers common questions around the latest booster shot.

Learn more about prevention

From pandemic to endemic

As the virus moves from disruptive outbreak to a constant presence, William Hanage, associate professor of epidemiology, explains what that means for most people.

Learn more about COVID’s evolution

Responding to COVID

Mimi Kigawa

After taking time off to care for her mother during the pandemic, Mimi came back to Harvard inspired to create a healthcare start-up that helps patients track their symptoms and rehab progress at home.

Learn more about Mimi’s work

William Hanage

The co-director of the Center for Communicable Disease Dynamics talks about how we move forward with a virus that isn’t going away.

Read about William’s perspective

Oni Blackstock

Oni founded Health Justice during the pandemic and quickly focused on disparities in how the pandemic was being addressed in Black communities versus other demographics.

Explore Oni’s research