Pfizer vaccine has different effects in different regions
Some media outlets have reported that the Pfizer-BioNTech COVID-19 vaccine is effective in preventing the spread of the virus by 90 percent and 98 percent death caused by the disease.
Some media outlets have reported that the Pfizer-BioNTech COVID-19 vaccine is effective in preventing the spread of the virus by 90 percent and 98 percent death caused by the disease.
