effective

Disputes that it is more effective

AstraZeneca’s Pascal Soriot says researchers believe shots will be effective against a new variant of the virus

AstraZeneca says that candidate for coronavirus vaccination must be effective against new strain in the UK

AstraZeneca: Shot is effective against the COVID-19 variant

Shots will be effective against the COVID-19 variant

Giroir: Coronavirus vaccines will be ‘effective’ against new strain

AstraZeneca: ‘Winning’ vaccine formula is 100% effective against severe COVID-19

Fact check: No evidence SARS-CoV-2 is an HIV-based bioweapon; trials show that vaccines against the virus are effective

Fact check: No evidence SARS-CoV-2 is an HIV-based bioweapon; trials show that vaccines against the virus are effective

Has a study proved that masks are not effective?