You got vaccinated. Now, how long will you be protected?

New research shows the Moderna COVID-19 vaccine produces antibodies that persist for 6 months after the second dose of the vaccine. One epidemiologist says the vaccine's protection likely lasts longer than that.

Patchwork of advice emerges on AstraZeneca vaccine

A patchwork of advice is emerging from governments across Europe and elsewhere about the AstraZeneca COVID-19 vaccine. The EU's drug regulator said a "possible link" exists between the vaccine and a rare clotting disorder.

CDC says more contagious UK COVID-19 variant is now the dominant strain in the US

The CDC says a new more contagious variant of the coronavirus is now the dominant strain circulating in the US. The B.1.1.7 variant, which surfaced in the United Kingdom last fall is more transmissible and may cause more severe disease. US health officials say the vaccines could stop the new strain, if the US can get many more Americans protected.