Please follow https://www.cdc.gov/tb/publications/pamphlets/vietnamese/LTBI_MedTracker_Viet.pdf?s_cid=em_nchhstpcon202007060014.

Please follow https://www.cdc.gov/tb/publications/pamphlets/vietnamese/LTBI_MedTracker_Viet.pdf?s_cid=em_nchhstpcon202007060014.