Photo: Gabriella Clare Marino / Unsplash

Covid has changed the world as we know it, and virulent variants such as Delta have upended early hopes of a clearer-cut “back to normal.” Unfortunately, achieving herd immunity may now be an impossible dream, but we can limit death and disruption as we get to a new normal.


Photo: Javad Esmaeili/Unsplash

It’s impossible to predict with certainty how Covid will affect you if you get infected. Many Covid survivors fully recover within weeks of the onset of their illness, but for others, symptoms linger. Early in the pandemic, it became clear that many people infected with Covid continue to suffer from…

Photo: Sharon McCutcheon/Unsplash

As predicted and feared, viral variants are now causing many of the new cases of Covid disease in much of the world. The Delta variant (B.1.617.2), which appears to have spread widely in India starting last October, appears to be extremely transmissible and might cause more severe illness. …

Photo: Dayne Topkin/Unsplash

After receiving a Covid-19 vaccine, many people may experience minor adverse effects such as fatigue or headaches, which generally last around 24 to 48 hours. These reactions can be a sign that the immune system is working and responding to the vaccine. But what does this say about (or to)…

Photo: Mick Haupt via Unsplash

Almost 150 million doses of Covid vaccine have been administered in the United States. Most adults are now at least partially vaccinated, and more and more people are choosing to get vaccinated every day. But some people may be wondering if their second shot is necessary. The answer is yes.

Photo by Forest Simon on Unsplash

Because of Covid-19, awareness of epidemiology and public health has blossomed this past year. With this increased focus has come increased criticism: never in our lifetimes has there been as much controversy about public health action.

Few Americans question the role of government in preventing the sale of contaminated food…

Dr. Tom Frieden

President and CEO, Resolve to Save Lives | Former CDC Director and NYC Health Commissioner | Focused on saving lives.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store