Trials begin on combination vaccine for COVID-19 and flu

Moderna and Pfizer-BioNTech, companies that have led the COVID-19 vaccination strategy, say they’re beginning trials to assess the safety, efficacy and dosage of their candidate vaccine that combines four flu strains and two coronavirus strains. Health experts say the combination vaccines could be available as early as next flu season.

LYNNE SLADKY/AP Rather than having to get separate coronavirus and flu vaccinations, a combined single shot might do the trick. Testing is underway.