WHO

In this U.S., the Centers for Disease Control and Prevention has only confirmed cases in Alabama thus far, the agency said in a statement to NBC News on Thursday, though other cases are being investigated.

The World Health Organization says at least one death has been reported in connection with a mysterious liver disease outbreak affecting children in Europe and the United States

The World Health Organization says the number of people killed by the coronavirus surged by more than 40% last week.

The head of the WHO says “COVID isn’t finished with us,” as he appealed for extra help to fight the pandemic after his agency reported case counts and deaths fell worldwide over the past week.

The head of the World Health Organization says he’s worried about the omicron and delta variants of COVID-19 producing a “tsunami” of cases between them.

Worried scientists in South Africa are scrambling to combat the lightning spread across the country of the new and highly transmissible omicron COVID-19 variant as the world grapples with its emergence

A new variant, named B.1.1.529, was named a “variant of concern” by the World Health Organization and given the name “omicron” from the letter in the Greek alphabet.

An advisory panel of the World Health Organization has classified a worrying new COVID-19 variant first detected in South Africa as a highly transmissible virus of concern, naming it “Omicron” under its Greek letter system

According to a report from the World Health Organization and the Centers for Disease Control and Prevention, millions of babies missed their first dose of the measles vaccine in 2020.

The international scientists dispatched to China by the World Health Organization to look for the origins of the coronavirus say the search has “stalled” and warn the window for getting to the bottom of the mystery is closing fast

The World Health Organization has issued a call for experts to join a new advisory group it’s forming, in part to address the agency’s fraught attempts to investigate how the coronavirus pandemic started

The head of the World Health Organization is calling for a moratorium on administering booster shots of COVID-19 vaccines as a way to help ensure that doses are available in countries where few people have received their first shots

A senior Chinese health official says China cannot accept the World Health Organization’s plan for the second phase of a study into the origins of COVID-19

The head of the World Health Organization has acknowledged it was premature to rule out a potential link between the COVID-19 pandemic and a laboratory leak

The World Health Organization has decided to assign different Greek alphabet letters like Alpha, Beta and Gamma to each new coronavirus mutation in an effort to decrease stigma.

Several health experts and scientists have used the term “herd immunity” to describe the overall immunity of a population against a virus like COVID-19. But what exactly is herd immunity, and how is it achieved? Many have questioned whether the phenomenon could be the key to ending the coronavirus pandemic, with some speculating if the United States could reach the…

The World Health Organization’s chief scientist Soumya Swaminathan spoke on Tuesday after several nations made the decision to halt use of the AstraZeneca COVID-19 vaccine.

NBC News senior medical correspondent Dr. John Torres writes about his search for vaccine certification.

There’s a lot of talk these days about how herd immunity will be our ticket out of the pandemic. Here’s what you need to know about what herd immunity is and how we get it.