Regional AlertThailand reports 100% increase in Chikungunya in 2022 January 26, 2023By MBDS Team22 January 2023. Thailand health officials reported a doubling in chikungunya infections in 2022 compared the year prior. Officials reported 1,370 total cases in 48 provinces in 2022. This compared to the 671 cases in 39 provinces seen in 2021, or a 104 % increase.