COVID-19 updates: Classes in Chicago canceled for 4th day
Chicago Public Schools has been in talks with teachers over COVID-19 safety.
As the COVID-19 pandemic has swept the globe, more than 5.4 million people have died from the disease worldwide, including over 837,000 Americans, according to real-time data compiled by Johns Hopkins University's Center for Systems Science and Engineering.
About 62.5% of the population in the United States is fully vaccinated against COVID-19, according to data from the Centers for Disease Control and Prevention.
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Israel approves 4th vaccine dose for people 60 and over
Israel's Ministry of Health approved a fourth dose of COVID-19 vaccine for health care workers and people over 60 years old, Prime Minister Naftali Bennett said.
"Israel will once again be pioneering the global vaccination effort," Bennett said at a press conference in Jerusalem. "Omicron is not Delta -- it’s a different ball-game altogether."
Fourth doses will be administered four months after booster shots, Bennett said.
ABC News' Jordana Miller
CDC says it's not changing definition of 'fully vaccinated'
Centers for Disease Control and Prevention Director Dr. Rochelle Walensky said Wednesday the definition of being fully vaccinated against COVID-19 is not changing to include booster shots.
"Individuals are considered fully vaccinated against COVID-19 if they've received their primary series. That definition is not changing," she said during a virtual briefing of the White House COVID-19 Response Team.
This means Americans are considered fully vaccinated if they have gotten two shots of either the Pfizer-BioNTech or the Moderna vaccine or one shot of the Johnson & Johnson vaccine.
However, Walensky did urge those who have been fully vaccinated to stay "up to date" on additional doses they may be eligible for based on their age and which vaccine they received.