Dr. Anthony Fauci says breakthrough COVID-19 infections happen because no vaccine is 100%.

The Centers for Disease Control and Prevention says youth sports and other extracurricular activities are spreading COVID-19.

The Director-General of the WHO says it's a "travesty" that frontline workers in some nations cannot be vaccinated yet.

A Jacksonville, N.C., mother passes COVID-19 antibodies to baby through breast milk.

Norwegian Cruise Line CEO says the cruise industry has suffered at the hands of the CDC.

The Centers for Disease Control and Prevention issues much-anticipated travel guidelines for fully vaccinated Americans.

J&J says it had a glitch at a plant making COVID-19 vaccines.

As COVID-19 cases continue to rise in France, Paris residents share their thoughts on the pandemic.

The Centers for Disease Control and Prevention director gives a candid warning about the continued danger of COVID-19.

As the UK eases lockdown rules, officials fear a spike in knife crime.

A new CNN analysis of COVID-19 figures shows the number of cases, deaths and hospitalizations are dropping fastest among those 65 and older.

The United States is inching closer to the White House vaccination goal.