Frequent and unpredictable changes in COVID-19 policies and restrictions reduce the accuracy of model forecasts. - Houdroge, Farah; Palmer, Anna; Delport, Dominic; Walsh, Tom; Kelly, Sherrie L.; Hainsworth, Samuel W.; Abeysuriya, Romesh; Stuart, Robyn M.; Kerr, Cliff C.; Coplan, Paul; Wilson, David P.; Scott, Nick (Scientific Reports, 2023)