Pfizer's vaccine is 94% effective against symptomatic cases of Covid-19, according to a very large study carried out in Israel and published on Wednesday, confirming data from clinical trials and the crucial role of vaccination campaigns in bringing an end to the pandemic.
Read also: The Pfizer vaccine 95.8% effective according to Israel
"This is the first peer-reviewed proof of the efficacy of a vaccine under real world conditions
,
"
Ben Reis, one of the co-authors of the study published on Wednesday, told AFP. in the prestigious
New England Journal of Medicine
.