Pfizer and BioNTech have asked United States health officials to authorize their Omicron-targeting Covid booster vaccine for children aged 5 to 11, the companies...
World Health Organization vaccination advisers on Thursday recommended offering those most at risk from Covid-19 a second booster shot to boost their immunity. The...
Moderna said on Wednesday that its new Covid-booster candidate, which it hopes will be approved this fall, has done well against Omicron’s latest subvariants....