Data suggests new Covid 19 strain brings increased risk of reinfection.
Pfizer and BioNTech are among the vaccine manufacturers insisting they'll be able adapt their products if the Omicron variant continues to spread.
Data suggests the new Covid 19 strain - first identified in South Africa - brings an increased risk of reinfection.
The World Health Organistation's calling it a "variant of concern".
But Jonathan Ball - a professor of molecular virology - says we shouldn't get ourselves into a "frenzy".

Local TD Accepts Data Centres Are A "Particular Issue" In Ireland
Katie Taylor Tickets Sell Out for Croke Park Final Fight In September
New Digital Wallet Might Be Needed To Access Pornography Online
Two Men Arrested As Gardaí Seize Firearm And Drugs In Blanchardstown
Trial Of Man Accused Of Attempted Murder Of Three Children Will Be Shown CCTV Today
Second Night Of Riots In Belfast
Victim Loses Eye After Attempted Murder In Belfast On Monday
Report Finds Over 95,000 Children Are In Poverty