March 31 2024 Outbreak Map. Every month ecdc provides detailed epidemiological overview of the worldwide transmission of chikungunya in its weekly threat. The most prolific tornado outbreak of 2023 occurred on march 31, with more than 160 tornadoes that tore across many southern and central states.

Recent updates to covid data tracker. Since early may 2022, cases of mpox (monkeypox) have been reported from countries where the disease is not endemic, and continue to be reported in several endemic countries.