Covid variants will be the next big challenge. Can vaccines protect us?

All viruses mutate. They do this to adapt and survive better in their specific host. The virus that causes Covid-19 is no different: it has moved from the animal realm, where it most likely originated in bats, to the human world. Since then, scientists have been locked in a battle between the spread of the virus and the ability to immunise against it. We now have the vaccines to protect us against Covid-19 – but what happens when this virus mutates further, as it likely will? {“uid”:0.9208093413637026,” hostPeerName”:” https://amp-theguardian-com.cdn.ampproject.