#UndoingDuterte | Poor contact tracing amid deadly Delta variant Search You Are Here:Home → 2021 → July → 25 → #UndoingDuterte | Poor contact tracing amid deadly Delta variant #UndoingDuterte | Poor contact tracing amid deadly Delta variant By JANESS ANN J. ELLAO With additional research from Kelly Marie Moraleda, Rein Tarinay, and Alex Suarez Graphics by Alex Suarez 2021 SONA Coverage MANILA – This week, the health department announced two additional confirmed cases of the more transmissible Delta variant of COVID-19 in Calamba, Laguna, a province south of the Philippine capital. What aggravates the situation is that both of them have been discharged from the hospital over a week ago, tagged as recovered patients.