The following syndrome has been flagged this week:
- Acute Fever and Rash: American Samoa, French Polynesia
- PNG: Southern Highlands has reported the country's 19th polio case since June 2018 and 3 cases are pending confirmation. The case a 1-year-old male did not receive the polio emergency vaccination. Source: PROMED
- American Samoa has ongoing dengue serotype-2. As of 25 October there have been 932 positive (RT-PCR) cases since 1 March 2017. The number of cases is decreasing.