Table 3.

The top 10 accounts by number of followers of medical institutions in English-speaking countries.

No.	Account name	Hospital or clinic	Medical specialty	Country	Date joined	Total tweets	Followers	Tweets/daya
1	@MayoClinic	Hospital	General hospital	US	April 30, 2008	25,859	1,233,111	9.44
2	@HarvardHealth	Hospital	General hospital	US	March 4, 2009	2,898	998,726	1.19
3	@ClevelandClinic	Hospital	General hospital	US	March 14, 2009	27,644	542,697	11.42
4	@StJude	Hospital	Children’s hospital	US	October 23, 2007	6,567	388,754	2.24
5	@HopkinsMedicine	Hospital	General hospital	US	February 7, 2009	11,469	329,343	4.67
6	@FUEHairClinics	Clinic	Cosmetic surgery	UK	August 10, 2013	738	97,286	0.91
7	@GreatOrmondSt	Hospital	Children’s hospital	UK	October 22, 2009	20,703	82,405	9.41
8	@HospitalsApollo	Hospital	General hospital	India	October 25, 2010	26,494	77,120	14.47
9	@seattlechildren	Hospital	Children’s hospital	US	September 4, 2008	6,675	55,531	2.56
10	@NIHClinicalCntr	Hospital	General hospital	US	February 6, 2009	3,111	52,221	1.27
Median						9072	213,314.5	3.61

^aUp to October 30, 2015.