<p>Moderna Inc could take months to begin shipping a Covid-19 vaccine that works specifically against the Omicron variant, its chief executive officer, Stéphane Bancel, told <em>CNBC</em> on Monday.</p>.<p>The Omicron variant carries a very high global risk of surges, the World Health Organisation (WHO) warned on Monday, as more countries reported cases.</p>.<p>Bancel told <em>CNBC</em> in an interview that the efficacy of Covid-19 vaccines against the variant was currently not known, and that there should be more clarity in about two weeks.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/science-and-environment/omicron-covid-19-variant-how-does-it-differ-from-delta-1055677.html" target="_blank">Omicron Covid-19 variant: How does it differ from Delta?</a></strong></p>.<p>Moderna said on Friday it was working to advance a booster candidate tailored to the new variant and has also been testing a higher dose of its existing booster and to study other booster candidates designed to protect against multiple variants.</p>.<p>Separately, rivals Pfizer and BioNTech, and Johnson & Johnson have also said they have begun testing their vaccines against the new variant.</p>.<p><strong>Check out the latest videos from <i data-stringify-type="italic">DH</i>:</strong></p>
<p>Moderna Inc could take months to begin shipping a Covid-19 vaccine that works specifically against the Omicron variant, its chief executive officer, Stéphane Bancel, told <em>CNBC</em> on Monday.</p>.<p>The Omicron variant carries a very high global risk of surges, the World Health Organisation (WHO) warned on Monday, as more countries reported cases.</p>.<p>Bancel told <em>CNBC</em> in an interview that the efficacy of Covid-19 vaccines against the variant was currently not known, and that there should be more clarity in about two weeks.</p>.<p><strong>Also Read | <a href="https://www.deccanherald.com/science-and-environment/omicron-covid-19-variant-how-does-it-differ-from-delta-1055677.html" target="_blank">Omicron Covid-19 variant: How does it differ from Delta?</a></strong></p>.<p>Moderna said on Friday it was working to advance a booster candidate tailored to the new variant and has also been testing a higher dose of its existing booster and to study other booster candidates designed to protect against multiple variants.</p>.<p>Separately, rivals Pfizer and BioNTech, and Johnson & Johnson have also said they have begun testing their vaccines against the new variant.</p>.<p><strong>Check out the latest videos from <i data-stringify-type="italic">DH</i>:</strong></p>