Now playing Next Health XE variant: What we know about the new COVID strain found in England 30/04/2022
Now playing Next Health Subvariant BA.2: What we know about the most dominant COVID strain 30/03/2022
Now playing Next Health Moderna seeks emergency approval for COVID vaccine in kids under 6 23/03/2022
Now playing Next Health Omicron survives up to 8 days on plastic surfaces, new study finds 24/01/2022
Now playing Next Health How a UK lab is COVID hunting and bolstering a global variant network 13/01/2022
Now playing Next Health A new COVID variant has been found in France. Should we be worried? 05/01/2022
Now playing Next Health COVID vaccines are not enough for Omicron variant, warns BioNTech CEO 20/12/2021
Now playing Next Health Omicron COVID variant appears to spread faster than Delta, WHO says 12/12/2021