BioNTech CEO confident vaccine will tackle mutant virusPlay06:42Ugur Sahin, co-founder and CEO of biotechnology company BioNTech Source: AAPGet the SBS Audio appOther ways to listenDownload (12.27MB) Drug maker BioNTech is confident its vaccine, developed with Pfizer, is effective against two new COVID-19 variants.For health and support measures currently in place in response to the COVID-19 pandemic in your language, visit sbs.com.au/coronavirusShare