Carney, Robert Matthew, Michaela Howells, Aaone Tanumafili, Athena Matalavea, Judith Gafa, and Dr Take Naseri Leausa Toleafoa. 2020. “Comparing Age and Sex Trends of Chlamydia, Gonorrhoea, Hepatitis and Syphilis Infections in Samoa in 2012 and 2017”. Western Pacific Surveillance and Response 11 (1). https://doi.org/10.5365/wpsar.2019.10.2.004.