The science behind Covid mutation

<p>The emergence of the Omicron variant has us asking questions about the virus and vaccines. What exactly does it look like when Sars-CoV-2 mutates? Could it really mutate to be a "nicer" virus? Can we ever create a vaccine that remains totally effective against Covid-19 in the long term? </p><br><p>To find out the answer to these and other questions, we talk to Dr Gerald Barry, a virologist at University College Dublin. </p><br /><hr><p style='color:grey; font-size:0.75em;'> See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out information.</p>