Table 1.

Summary of COVID-19 Facebook outreach by the MOH, the CDC, and PHE during the periods of pre-COVID-19 (January 1, 2019, to December 31, 2019) and peri-COVID-19 (January 1, 2020, to March 18, 2020).

Agency	Outreach effort (pre-COVID-19a)		Outreach effort (peri-COVID-19)
	Total posts, n	PPDb, mean (SD)	Total posts, n	PPD, mean (SD)	COVID-19 posts, n (%)	COVID-19 PPD Since first reported case in each country, mean (SD)
MOHc	192	1.4 (1.09)	304	4.3 (3.5)	271 (89.1)	5.0 (3.6)
CDCd	599	2.1 (0.99)	232	2.1 (1.1)	94 (40.5)	2.2 (1.1)
PHEe	346	1.3 (0.56)	87	1.6 (0.8)	45 (51.7)	1.4 (0.7)

^aCOVID-19: coronavirus disease.

^bPPD: posts per day.

^cMOH: Ministry of Health.

^dCDC: Centers for Disease Control and Prevention.

^ePHE: Public Health England.