Fig. 1.

Daily incidences of COVID-19 in clusters recorded in Sri Lanka (These incidences were recorded with data collected from different government sources and their accuracy was checked and corrected with the other secondary sources) and the number of RT-PCR tests carried out and number of hospital bed occupied in makeshift hospitals (sources:www.covid.iq.lk;www.epid.gov.lk;www.hpb.health.gov.lk); Y axis indicated with counts refer to the number of RT-PCR tests carried out and the number of beds occupied by COVID-19 patients in the makeshift hospitals.