Rates of pertussis, also known as whooping cough, are surging in Texas, Florida, California, Oregon, and other states and localities across the country...

File photo of anti-vaccination protests in The Netherlands (Photo by AFP) Protests against COVID-19 vaccine requirements have gathered momentum across western Europe with large demonstrations taking place in France, Denmark, Germany, and Austria, among other countries...

The file photo shows a healthcare worker preparing to give an injection of the COVID-19 vaccine at a hospital in Tehran, Iran...

A medical worker administers a dose of a Covid vaccine to a child in Les Pavillons-sous-Bois, near Paris, France...

People wait to be tested for COVID-19 at a street-side testing booth in New York on Dec...

No city in Iran has been in the COVID-19 high-risk red zone during the past 24 hours, the country’s Health Ministry and Medical Education said on Saturday...

US President Joe Biden Thursday warned that the Omicron variant of the coronavirus is going to spread more rapidly, urging people to get vaccinated...

File photo shows a signpost directing people to a coronavirus immunization center in the German capital Berlin...

This photo taken on March 3, 2021 shows an inoculation of the COVID-19 Vaccine at Hartford Hospital in Hartford, Connecticut...

The United States is trying to address vaccine hesitancy, in part, by persuading skeptics and anti-vaxxers to get the shot through incentive programs such as lotteries...