The latest known variant of Covid-19 has significant changes in its spikes, which could make it invincible to vaccination via RT Headline Image: © Getty Images / Bloomberg Creative Scientists are sounding the alarm, as what could be the most highly-evolved strain of the coronavirus has been discovered in patients in different parts of the world. Its resistance to vaccines adds to the concerns. The latest known variant of Covid-19 has significant changes in its spikes, which could make it invincible to vaccination. It could be the most highly-evolved coronavirus strain yet, as 32 mutations have apparently been detected in it. The currently dominant, highly transmissible Delta strain, which has contributed to this year's surge in cases globally, has at least 11 spike mutations. Originally spotted in three patients in Botswana – and thus known as the Botswana variant – it has already been found in three countries since the first infections on November 11. Six cases have been detected in