effectiveness

Some COVID-19 mutations may decrease the vaccine’s effectiveness

Some COVID-19 mutations may decrease the vaccine’s effectiveness

New variant COVID-19 defeats plasma treatment, may reduce vaccine effectiveness

New variant COVID-19 defeats plasma treatment, may reduce vaccine effectiveness

New variant COVID-19 defeats plasma treatment, may reduce vaccine effectiveness

Government ‘looking very carefully’ at Pfizer vaccine after claims of ‘real-world effectiveness’

Philippines and Indonesia support Covid Chinese jab despite doubts about effectiveness | World News

Brazil downplays effectiveness of Chinese vaccine COVID-19

The mutation of the South African virus raises questions about the vaccine’s effectiveness

Scientists fear that “escape mutant” in South Africa’s coronavirus variant could decrease vaccine effectiveness

Third time is the charm? Brazil reduces effectiveness claims for China’s COVID-19 vaccine | Science

South Carolina epidemiologist Dr. Linda Bell receives the COVID-19 vaccine, has ‘the greatest confidence in its safety and effectiveness’