Covid 19 coronavirus: Vaccine dilemma facing scientists as virus mutates
16 Feb, 2021 01:22 AM
6 minutes to read
There are no new Covid-19 cases in the community - the Government says it will be going deep into Wednesday before making a call on the status of the country s alert levels.
There are no new Covid-19 cases in the community - the Government says it will be going deep into Wednesday before making a call on the status of the country s alert levels.
AP
By: Lauran Neergaard
The makers of Covid-19 vaccines are figuring out how to tweak their recipes against worrisome virus mutations - and regulators are looking to flu as a blueprint if and when the shots need an update.