Don't focus only on Omicron, EU watchdog tells vaccine developers

The European Union drugs regulator said pharmaceutical companies should work on more than one upgraded Covid-19 shot, not only tailored to the fast-emerging Omicron variant but also versions that address a combination of variants.

"What we are hearing from other regulatory agencies also is that it is important not to exclude any options," the European Medicines Agency's head of vaccines strategy, Marco Cavaleri, told a media briefing on Tuesday...