Table 3.

Average weekly mean absolute percentage error (MAPE) of COVID-19 cases per county over our evaluation period in the 50 most populous counties

	Forecast horizon
	1 week	2 weeks	3 weeks	4 weeks
CMU-TimeSeries	24.26	38.01	49.39	47.31
UMass-MechBayes	24.94	38.21	53.92	62.72
Google_Harvard-CPF	29.04	49.13	66.79	71.41
FAIR-NRAR	21.91	42.39	57.12	54.16
COVIDhub-baseline	23.30	37.64	51.09	51.39
COVIDhub-ensemble	19.72	32.33	42.95	43.31
COVID-LSTM	22.06	29.29	35.60	38.30

Model with lowest error shown in bold