MarketWatch : California health official urges halt to 300,000 Moderna vaccinati California health official urges halt to 300,000 Moderna vaccinations after reports of allergic reactions State epidemiologist says batch was distributed to 287 providers, and that they should use ‘other available vaccine inventory’ https://www.marketwatch.com/story/california-health-official-urges-halt-to-300-000-moderna-vaccinations-after-reports-of-allergic-reactions-01611011648