MANILA- Cases of the coronavirus disease 2019 (Covid-19) in the National Capital Region and the rest of Luzon showed a slow uptick trend starting mid-May, a health official said Tuesday. In an online media forum, Department of Health Epidemiology Bureau Director Alethea de Guzman said the cases remained low at less than 100 infections in all island groups since April. "Bagaman mababa na ang ating mga kaso, kelangan i-monitor ang mga pagtaas na ito kahit hindi ito nagta-translate sa pagtaas ng ating national positivity rate na nanatili at 1.1 percent nitong nakaraang linggo (While the case...