- How delta and kappa variants of SARS-CoV-2 evade the immune system News-Medical.Net
- From ground zero to zero tolerance – how China learnt from its COVID response to quickly stamp out its latest outbreak The Conversation AU
- Does the explosion of the delta variant mean we need a new COVID-19 vaccine? Livescience.com
- Response to a third SARS-CoV-2 vaccine dose amongst immunocompromised News-Medical.Net
- Could a cheap cholesterol drug help fight COVID-19? Medical News Today
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