Warnings for 21 Covid clusters in Bangkok 17 published : 18 May 2021 at 15:48 17 People living near the construction workers' camp of Italian-Thai Development Plc in Laksi district, Bangkok, line up for Covid-19 tests on Tuesday. The camp is one of 21 active clusters in 16 districts of Bangkok (Photo: Pattarapong Chatpattarasill) People in 16 districts of Bangkok where Covid-19 clusters are active have been warned to be extra careful, to avoid infection. Taweesilp Visanuyothin, spokesman for the Centre for Covid-19 Situation Administration, issued the warning during his daily update on the situation nationwide from Government House. He said 21 Covid-19 clusters were active in 16 districts and health workers had yet to control the outbreak.