According to a new report from the Centers for Disease Control and Prevention, two-dose regimens of the Moderna and Pfizer-BioNTech mRNA vaccines provided a high level of protection against COVID-19 hospitalizations in a real-world evaluation at 21 U.S. hospitals during the period between March 11 and August 15.
Vaccine effectiveness against COVID-19 hospitalization for Moderna and Pfizer-BioNTech doses were 93 percent and 88 percent, respectively, whereas the single-dose Janssen [Johnson & Johnson] vaccine had a lower effectiveness rate at 71 percent.
Protection for the Pfizer-BioNTech vaccine declined four months after vaccination.
Released Friday, September 17, the report revealed that individuals
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