The increasing prevalence of new coronavirus variants is raising questions about how well protected those who’ve already had their COVID-19 shots are against evolving forms of the SARS-CoV-2 virus. Here, microbiology and infectious disease specialist William Petri of the University of Virginia answe

Johns Hopkins University Epidemiologist Gypsyamber D'Souza explains how the United States can reach coronavirus herd immunity and what happens if that goal is missed. Plummeting vaccination rates have turned what officials hoped would be the “last mile” of the coronavirus immunization campaign into

For those of us lucky enough to live in wealthy countries with access to these top-shelf vaccines, it has made all the difference. The miracle workers behind the COVID-19 vaccines are the TIME Heroes of the Year not only because they gave the world a defense against a pathogen, but also because the ...

Near the start of the 20th century, a mysterious and deadly virus terrified Americans, particularly infecting young kids: Polio. Correspondent Rita Braver looks at the scientific arsenal brought to combat the epidemic and develop a vaccine, and talks with documentary filmmaker Carl Kurlander ("The S

Omicron Variant – NEW COVID Variant Worse Than Delta?The Omicron variant just might be the scariest version of COVID yet. The Covid Omicron variant emerged in South Africa. It was first discovered by scientists a few days ago. It has over 30 mutations on the spike protein that raise concerns that it

In this episode of our science medical segment "Ask Dr Bob" we discuss what you need to know about Monkeypox, including symptoms, testing, treatment and vaccines. Dr Bob stresses the need to have a clear awareness that anyone can get monkeypox, and while in the latest outbreak, the virus is predom...

With concerns growing over the Delta variant of Covid-19, here's what you need to know about whether you need to start wearing a facemask in public again. MSNBC's Brian Williams talks with Dr. Nahid Bhadelia.

In this Science Update for Community of Lights, we discuss with Dr Bob Wallace from the "Love the Golden Rule" Health Clinic in St Petersburg, Florida the latest news in the fight against HIV, the new monthly treatmewnt and the interaction with Covid-19.

Olivia Rodrigo and Dr. Fauci react to tweets about the vaccine.

This documerntary was produced in 2004 by CBS as part of "Witness", a documentary from CBS news. Origin of AIDS: The Polio Vaccine (CBC 'Witness', 2004) On April 12, 1955 Jonas Salk's polio vaccine was first licensed for public use in the U.S. In the years afterwards 90 million Americans were vac...