Country

Tanzania United Republic of

25 outbreaks

Uganda

33 outbreaks

United Arab Emirates

12 outbreaks

United States of America

44 outbreaks

Uzbekistan

7 outbreaks

Vanuatu

6 outbreaks

Viet Nam

15 outbreaks

Wallis and Futuna

8 outbreaks

Yemen

13 outbreaks

Zambia

20 outbreaks