- Dec 8, 2013
- 22,709
- 16,930
- 2,415
If You Got Pfizer, This Is When Your Protection Drops Below 50 Percent
Allie HoganTue, October 5, 2021, 11:55 AM
On Oct. 4, The Lancet published a study that examined the Pfizer vaccine's effectiveness over six months. According to the study, the effectiveness of Pfizer at preventing COVID infection dropped to 47 percent from 88 percent six months after the second dose. However, the vaccine's effectiveness at preventing severe outcomes remained high. Pfizer was 90 percent effective at preventing hospitalization and death related to COVID for at least six months, even as the highly transmissible Delta variant became the most dominant strain of the virus.
Vaccine effectiveness against the Delta variant began at 93 percent after the first month, then dropped to 54 percent after four months. Meanwhile, against other COVID strains, efficacy fell from 97 percent to 67 percent. "To us, that suggests Delta is not an escape variant that is completely evading vaccine protection," study leader Sara Tartof, PhD, told Reuters
If You Got Pfizer, This Is When Your Protection Drops Below 50 Percent
The Pfizer and Moderna vaccines seemed too good to be true when they first arrived. The high efficacy rates of these two shots and their easily updated mRNA technology made them more attractive to some individuals than the Johnson&Johnson vaccine, which was less than 70 percent effective at...
currently.att.yahoo.com
Anything or anyone more pathetic than rich white leftists in this country?