Thailandâs Vaccine Rollout Gets Chaotic With Cancellations, Dose Shortages Jun 14 2021, 2:03 PM June 14 2021, 10:50 AM June 14 2021, 2:03 PM (Bloomberg) -- Thailandâs vaccine rollout is trailing its target as a jab shortage and moves to prioritize workers to shield the economy trigger chaos and mass cancellation of appointments. (Bloomberg) -- Thailandâs vaccine rollout is trailing its target as a jab shortage and moves to prioritize workers to shield the economy trigger chaos and mass cancellation of appointments. The Bangkok Metropolitan Administration and dozens of hospitals across the country have postponed some of the scheduled vaccinations for this week, citing limited vaccine supplies. The delay comes after the nation was able to meet only 56% of its inoculation target in the first week of the nationwide rollout.