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U.S. Drugmakers Pfizer And BioNTech Are Making New Vaccines For Omicron Virus

The new variant of COVID-19, Omicron, is extremely infectious, triggering a resurgence of the global epidemic. U.S. drugmaker Pfizer and partner BioNTech said on January 25 that a new vaccine against the Omicron virus has started clinical trials, but may not be available in March as scheduled. Reuters reported that Pfizer and BioNTech recruited more than 1,400 volunteers in the United States to inject vaccines against the Omicron variant to assess safety and immune responses. Pfizer pointed out that existing research and data show that the third dose of booster injection can reduce the probability of hospitalization and severe illness due to Omicron, but the protection will weaken over time, and new variants of the virus may appear in the future. . Previously, Pfizer Chief Executive Albert Bourla said a new vaccine against the Omicron virus would be developed and is expected to be ready by March. However, BioNTech said that due to the need to provide sufficient clinical trial data to health authorities, it may not be able to launch a vaccine against the Omicron virus as originally planned by the end of March.
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