LUCENA CITY — Migratory birds monitored in Tiaong, Quezon, have tested negative for avian influenza, or bird flu, the Department of Environment and Natural Resources (DENR) reported on Saturday, June 6. In a report, DENR Region IV-A said the Community Environment and Natural Resources Office (CENRO) in Tayabas City, headed by Ramil Gutierrez, recently conducted
