26-07-2021, 02:45 PM
There are lots of misinformations going around and circulated in major newspapers. They cannot even distinguish the differences between efficacy and effectiveness. A vaccine's efficacy must be done under a controlled environment. Effectiveness is how the vaccine can perform under the real World. They are talking entirely different things. So far, there has not been any trial test done on Pfizer to re-determine the efficacy and it will never be as the vaccine has been approved by WHO who requested it.
https://www.gavi.org/vaccineswork/what-d...COEALw_wcB
https://www.gavi.org/vaccineswork/what-d...COEALw_wcB