This brings the total number of cases to 61,730. There are 27 new cases of locally-transmitted Covid-19 infection, of whom 21 are linked to previous cases. Six of them are unlinked. Amongst the locally transmitted cases, 15 had already been placed on quarantine earlier. Unlinked cases 59-year-old female Singaporean who works at Mary Fashion and Trading Developed cough on May 15 and sought medical treatment at a General Practitioner (GP) clinic on May 17 Tested for Covid-19 on May 18, result came back positive on May 19 Serology test result is pending Received her first dose of the Covid-19 vaccine on Mar.21 and the second dose on Apr.11.