Monday, October 2, 2023

September 2023. Imported measles case from Bali. How big is the risk in Indonesia?

Australian health authorities have warned of the risk measles after a traveler infected with the disease returned from Bali, Indonesia and visit several places.

Since 2022, Indonesia has recorded an increase in suspected and confirmed measles cases compared to previous years. Between January 1 and April 3, 2023 in total 2161 cases Measles suspects (848 laboratory-confirmed and 1,313 clinically tolerated-suspect) in 18 of Indonesia’s 38 provinces, mostly in the provinces Java Occidental (796 cases), Central Papua (770 cases) and Banten (197 cases).

Measles is endemic in Indonesia and is reported every year. However, there is a significant increase in the number of confirmed cases in 2022 and 2023 compared to the cases reported annually since 2018: 920 cases were reported in 2018, 639 in 2019, 310 in 2020 and 2020 2021 132.

The current outbreak is characterized by a suboptimal immunity of the population, including children without measles vaccination. In 2022, a supplementary immunization campaign (SIA) was carried out, targeting children under 15 years of age in high-risk provinces (Aceh, North Sumatra, Riau, Riau Islands and West Sumatra) and aged 9 to 59 months in Java provinces (Bali), and 9 months to 12 years in the remaining provinces, and efforts are being made to increase routine vaccination and catch-up activities to close immunity gaps in the population.

Local risks Indonesia

More information about measles in Indonesia

  • 2023. April 2161 cases
  • 2022. 4845 reported cases and 6 deaths. An increase in reported cases
  • 2020. The vaccination rate was 87% for the first dose of vaccination and only 65% ​​for the second dose.
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