New variants of coronavirus are emerging that are more infectious than the original one that started the pandemic.
Scientists are urgently studying these mutated versions to understand what threat they pose.
The current vaccines were designed around earlier variants, but scientists are confident that they should still work against the new ones, although perhaps not quite as well.
Lab studies are underway to check this.
Vaccines train the body to attack several parts of the virus, however, not just these sections of the spike protein.
Variants could emerge in the future that are more different again.
Read more: .Covid: How worrying are the UK, South Africa, and Brazil coronavirus variants? - BBC News
The Future Is Here Today
Where Business, Nature and Leisure Provide An Ideal Setting For Living
