effective

Illinois Politics: Senate Republican leader Bill Brady announces effective resignation Thursday night by letter

China’s first home-made vaccine OK said to be 79.3% effective

Publication of a peer-reviewed report on the Modern vaccine COVID-19

China’s Sinopharm says its coronavirus vaccine is 79% effective

A Chinese Covid-19 vaccine has proven effective, says its manufacturer

Sinopharm says the shot was 79% effective; Seeks public use in China

Sinopharm says the shot was 79% effective; Seeks public use in China

Pascal Soriot, from AstraZeneca, says the researchers believe the injection will be effective against a new variant of the virus

AstraZeneca says that the candidate vaccine against coronavirus must be effective against the new strain in the United Kingdom

AstraZeneca: Shot will be effective against the COVID-19 variant

The injection will be effective against the COVID-19 variant

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