2019 Samoa measles outbreak
The 2019 Samoa measles outbreak began in September 2019. By 6 January 2020, over 5,700 cases of measles and 83 deaths had been reported, out of a population of 200,874, an infection rate of more than 2.5%.
Source: Wikipedia — 2019 Samoa measles outbreak (CC BY-SA 4.0)