COVID-19 herd immunity is possible in the US, but it faces potential impediments such as vaccine hesitancy and availability.

Texas, Arizona, and Florida are among the states that have reopened for business.

While there are health and lifestyle benefits for people who have been vaccinated against COVID-19, they still need to follow certain guidelines.

While yet to be approved in the US, the AstraZeneca vaccine has been authorized for use in dozens of countries.

The Johnson & Johnson Emergency Use Authorization COVID-19 vaccine is the first single-shot dose available to the public.

COVID-19 variants found in the United Kingdom, South Africa, and Brazil spread more quickly than the original virus strain.

As of February 8, no state had administered more COVID-19 vaccine doses per 100 people than Alaska.

President Joe Biden is promising 100 million vaccinations during his first 100 days in office.