Location of cohort:

Number

tested:

Number

positive:

Number

not sick:

Percentage

not sick:

Iceland

13,080

100

43

43%

Vo’, Italy

5155

102

43

42%

Diamond Princess cruise ship

3711

712

331

46%

Boston homeless shelter

408

147

129

88%

NYC obstetric patients

214

33

29

88%

USS Theodore Roosevelt

4954

856

500

58%

Japanese citizens in Wuhan

565

13

4

31%

Greeks in UK, Spain & Turkey

783

40

35

88%

Charles de Gaulle aircraft carrie

1760

1046

500

48%

LA homeless shelter

178

43

27

63%

Nursing facility, Washington

76

48

3

6%

Prisoners, 4 states

4693

3277

3146

96%

NJ university/hospital staff

829

41

27

66%

Indiana residents

4611

78

35

45%

Argentine cruise ship

217

128

104

81%

San Francisco residents

4160

74

39

53%

TOTAL:

45,394

6738

4995

74%