Contents: COVID-19: The First 3 Months; COVID-19 initial Clinician Alerts; COVID-19 Situation Report 31 Mar 2020; A snapshot of immunisation coverage in the NT; Meningococcal ACWY disease; Northern Territory malaria notifications; Enteric disease in the Northern Territory in 2019—a brief summary; Abstracts from peer reviewed published articles related to the Northern Territory; Shigella fact sheet; Northern Territory notifications of disease by onset date and district; Graphs of selected diseases and STIs; Comments on notifications.