Viral vector vaccines use a harmless virus to deliver a piece of genetic code to human cells. (Representative photo) These vaccines generally consists of a live attenuated virus that is genetically ...
More than 5 million people worldwide have had their lives cut short by COVID-19, and the number keeps rising. The best defense against this virus is a vaccine. VOA's Carol Pearson explains one ...
When COVID-19 invades our bodies, the virus tries to overcome the immune system. It attacks and multiplies in huge numbers readying itself for the inevitable fightback. As the pandemic has shown, for ...
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