Coronavirus: Our COVID-19 vaccine is 90% effective, says Pfizer

Coronavirus: Our COVID-19 vaccine is 90% effective, says Pfizer

"Today is a great day for science and humanity," Pfizer Chairman and CEO, Dr. Albert Bourla, said.


User: Africanews (in English)

Views: 109

Uploaded: 2020-11-09

Duration: 03:17