The FDA is meeting this week to consider giving half doses of Moderna's COVID vaccine to people between the ages of 18 and 55, to extend limited supplies.

https://www.king5.com/mobile/article/news/health/coronavirus/vaccine/washington-sticking-to-full-two-dose-vaccine-plan-as-others-look-for-ways-to-stretch-supplies/281-e9426753-fe26-4621-bd2f-40f472d04f69