The effectiveness of COVID-19 vaccine booster doses dropped well under 50 percent after four months against subvariants of the virus that causes COVID-19, according to a new study from the U.S. Centers for Disease Control and Prevention (CDC).
More than 79% of the United States population is vaccinated, raising questions about the COVID vaccine's efficacy.
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The protection against severe illness from so-called natural immunity remains superior to that bestowed by COVID-19 vaccines, according to a new study.
The Biden administration on Wednesday announced a $3.2 billion deal to purchase 105 million doses of Pfizer’s COVID-19 vaccine for a fall vaccination campaign, with options to buy up to 300 million doses.
Former White House Coronavirus Response Coordinator Dr. Deborah Birx revealed that the federal government was relying on “hope” that COVID-19 vaccines would prevent infection when officials publicly stated that Americans who received the jab would become immune to the virus.
The Austrian government has scrapped a law that would force residents of the country to be fully vaccinated against the Wuhan coronavirus, with the country’s Health Minister arguing the omicron variant has “changed the rules.”
