In The Straits Times’ The Big Story, multimedia correspondent Hairianto Diman spoke to Professor Dale Fisher, a senior infectious diseases consultant at the National University Hospital, and Associate Professor Alex Cook, vice dean of research at the Saw Swee Hock School of Public Health about the new Covid-19 strains.

<p>In The Straits Times&rsquo; The Big Story, multimedia correspondent Hairianto Diman spoke to Professor Dale Fisher, a senior infectious diseases consultant at the National University Hospital, and Associate Professor Alex Cook, vice dean of research at the Saw Swee Hock School of Public Health about the new Covid-19 strains.</p>

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