WHO, AZ safe and effective

The Oxford/AstraZeneca, what you need to know The vaccine is safe and effective for all individuals aged 18 and above. Is the AstraZeneca vaccine still being used in the UK? No, the UK government is not ordering future supplies of the AstraZeneca Covid-19 vaccine. Evidence shows that mRNA vaccines, Pfizer and Moderna, are more effective at boosting protection from Covid-19, so these vaccines are being recommended for the autumn booster programme. Yellow cards COVID-19 Vaccine AstraZeneca NCOV-19 Essential