12 COVID-19 vaccines have received authorization for use in at least one country, and many more vaccine candidates are undergoing clinical trials to test their safety and efficacy.Yet, like other viruses, SARS-CoV-2, the coronavirus that causes COVID-19, naturally undergoes mutations in time.
These mutations can be negligible or affect how infectious or likely to cause severe disease a virus is.With this in mind, and while the global vaccine rollout is currently underway, scientists and the public alike have raised a key concern: How will available vaccines and vaccine candidates hold up against emerging SARS-CoV-2 variants?Stay informed with live updates on the current COVID-19 outbreak and visit our coronavirus hub for more advice on.