The tests are limited to 900 walk-ins daily from 8am to 4pm.
The downpour at the early hour did not discourage the campers; ome had brought umbrellas while others sought shelter under big trees. Many had come equipped with mats and tents for the overnight wait.
Bangkok reported 2,212 new patients and 38 deaths on Thursday, bringing cumulative cases in the province to 87,497.