60
Participants
Start Date
October 19, 2020
Primary Completion Date
July 31, 2021
Study Completion Date
August 31, 2021
Vitamin D 2
Vitamin D2 20000IU 1 tab oral weekly
Placebo drug
Placebo drugs 1 tab oral weekly
Rajavithi hospital, Bangkok
Department of Medical Services Ministry of Public Health of Thailand
OTHER_GOV