 "Covid-19 vaccines, Coronavirus vaccines, Vaccination")
BioNTech, Moderna and Johnson & Johnson are working on vaccines that specifically target Omicron in case their existing shots are not effective against the new coronavirus variant, the companies said on Monday.
The variant's emergence has triggered a strong global response as countries worried that it could spread fast even in vaccinated populations impose travel curbs and other restrictions.
BioNTech SE said it had started work on a vaccine tailored to Omicron, along with partner Pfizer.
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