Vaccination

COVID-19 vaccine boosters: Is a third dose really needed?

The UK is enjoying real success with its COVID-19 vaccine coverage. Around 85% of adults (44.8 million people) have received one vaccine dose and 63% (33 million people) both doses, with around 160,000 doses a day still being ...

Vaccination

Understanding the process of vaccine-induced blood clots

A McMaster University team of researchers recently discovered how, exactly, the COVID-19 vaccines that use adenovirus vectors trigger a rare but sometimes fatal blood clotting reaction called vaccine-induced immune thrombotic ...

Vaccination

One vaccine dose enough for COVID-19 survivors

Two mRNA vaccines against COVID-19 have proven safe and effective in clinical trials, as well as in the millions of people who have been vaccinated so far. But how prior SARS-CoV-2 infection affects vaccine response, and ...

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