Variables

Frequency (%)

Variable

Frequency (%)

Country of residence by Continents

n (%)

Exposure to the person with similar illness

n (%)

Africa

6247 (63.2)

Yes

2205 (22.3)

America

1(0.01)

Unknown

1712 (17.3)

Asia

2 (0.02)

No

2840 (28.7)

Europe

7 (0.1)