USA Today (USA Today) December 14 (USA Today) (USA TODAY
New research from Discovery Health, South Africa's largest private health insurer, shows that two doses of the Pfizer vaccine provide more than 90 percent protection against the original version of the virus, but are only 33 percent effective at preventing infection with the Omiljung strain.
According to Bloomberg, studies have also shown that the Pfizer vaccine prevents hospital admission to 70% of Those infected with Omexon. Discovery Health CEO Ryan Noach said in a briefing Tuesday that this protection can be maintained at different ages and in the face of a range of chronic diseases.
![Study says two doses of Pfizer vaccine reduced to 22.5 percent effectiveness against Omi kerong[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)