Table 1.

Features of the social response transition models

Model $0\to 1$ features	Model $1\to 0$ features
Country name	Country name
Disease name	Disease name
Number of articles about country and disease in week (with and without duplicates)	Number of articles about country and disease in week (with and without duplicates)
Indicator counts for all 20 indicators	Indicator counts for all 20 indicators
3 week slopes of indicator counts	EWMA as a percentage of UCL $\left(\frac{Z_{ijt}}{UC{L}_{ijt}}\right)$
Duration of current no social response period	3 week slope of EWMA
	Duration of current social response period