Posted on Jun 8, 2022
Moderna says its new vaccine booster shows 'superior' response to Omicron
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https://www.npr.org/2022/06/08/ [login to see] /moderna-vaccine-booster-omicron
Moderna says its new vaccine candidate, which fights both the original COVID-19 strain and the now-dominant omicron variant, shows a "superior neutralizing antibody response" against the coronavirus compared to its original vaccine.
The "bivalent" vaccine — meaning it targets two different antigens — is Moderna's leading candidate to have an effective booster ready for fall of 2022, the company said.
"We are submitting our preliminary data and analysis to regulators with the hope that the Omicron-containing bivalent booster will be available in the late summer," Moderna CEO Stéphane Bancel said in a news release.
Moderna says its new vaccine candidate, which fights both the original COVID-19 strain and the now-dominant omicron variant, shows a "superior neutralizing antibody response" against the coronavirus compared to its original vaccine.
The "bivalent" vaccine — meaning it targets two different antigens — is Moderna's leading candidate to have an effective booster ready for fall of 2022, the company said.
"We are submitting our preliminary data and analysis to regulators with the hope that the Omicron-containing bivalent booster will be available in the late summer," Moderna CEO Stéphane Bancel said in a news release.
Moderna says its new vaccine booster shows 'superior' response to Omicron
Posted from npr.org
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Posted 2 y ago
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PO1 William "Chip" Nagel
..."The original omicron variant quickly dominated transmission in the U.S. after emerging in late 2021. By the end of March, it had been overtaken by the omicron subvariant BA.2 — which has been supplanted in recent weeks by the BA.2.12.1 subvariant, according to the CDC. Now two new omicron variants, BA.4 and BA.5, are quickly spreading.
Adding to the sense of urgency: Yet another wave of infections is likely next winter when the cold weather drives everyone back indoors, where the virus spreads more easily.
This is the second bivalent vaccine Moderna has lauded as a success. The company announced in April that a new version of its vaccine targeting the beta variant appeared to produce high levels of antibodies for months. Some experts called those results a "proof of principle," while others said they needed to see more data about the bivalent approach's benefits."
..."The original omicron variant quickly dominated transmission in the U.S. after emerging in late 2021. By the end of March, it had been overtaken by the omicron subvariant BA.2 — which has been supplanted in recent weeks by the BA.2.12.1 subvariant, according to the CDC. Now two new omicron variants, BA.4 and BA.5, are quickly spreading.
Adding to the sense of urgency: Yet another wave of infections is likely next winter when the cold weather drives everyone back indoors, where the virus spreads more easily.
This is the second bivalent vaccine Moderna has lauded as a success. The company announced in April that a new version of its vaccine targeting the beta variant appeared to produce high levels of antibodies for months. Some experts called those results a "proof of principle," while others said they needed to see more data about the bivalent approach's benefits."
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