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An official sprays disinfectant at an airport in Palu, Indonesia, March 12, 2020. The number of COVID-19 cases in Indonesia had reached 34, the Indonesian government said on Wednesday. (Photo by Opan/Xinhua)

An official sprays disinfectant at an airport in Palu, Indonesia, March 12, 2020. The number of COVID-19 cases in Indonesia had reached 34, the Indonesian government said on Wednesday. (Photo by Opan/Xinhua)