FocaL Mass Drug Administration for Vivax Malaria Elimination

"Administration of focal mass drug administration for high-risk individuals residing in households that are within 200 meters of a Plasmodium vivax index case households from the prior 2 years (including individuals in the index case household). Intervention to be administered two times, two months apart each cycle, for 3 cycles spaced apart by regular intervals.~Each year will include 2 rounds of fMDA.~Round 1) Chloroquine (CQ)+ Tafenoquine (TQ) for \>= 16y (CQ: Day1 600 mg, Day 2 600 mg, Day 3 300 mg CQ, TQ 300 mg on Day 1); CQ+ Primaquine (PQ) for \<16y (CQ: age-based dosing, PQ age-based dosing); CQ+PQ for G6PD intermediate individuals \>=6mo and \<16y ((CQ: Day1 600 mg, Day 2 600 mg, Day 3 300 mg, PQ age-based dosing).~Round 2) single dose CQ+TQ for \>= 16y (CQ: Day1 600 mg, TQ 300 mg on Day 1); single dose CQ+PQ for \<16y (CQ: age-based dosing, PQ age-based dosing); single dose CQ+PQ for G6PD intermediate individuals \>=6mo and \<16y ((CQ: Day1 600 mg, PQ age-based dosing)."