Salva Villarama, E., Lopez, E., Sayo, A. R., Seposo, X., Ariyoshi, K. and Smith, C. (2021) “COVID-19 is moving to high-density, poor residential areas in Metropolitan Manila, Philippines”, Western Pacific Surveillance and Response, 12(1), p. 3. doi: 10.5365/wpsar.2020.11.2.003.