Lab test shows Pfizer Covid vaccine is effective against Brazil variant, Study 2021-03-09T18:13:41.000000Z
People with a history of ‘significant’ allergic reactions shouldn’t have Pfizer vaccine 2020-12-09T20:45:25.000000Z
Parliamentary committee reveals government pressure to contract with the "Pfizer" 2020-12-06T11:42:20.000000Z