Cholera

Cholera was monitored in 8 countries in week 1, in 9 in week 2 and in 8 in week 3. In week 4 the number of countries in which cholera was monitored increased to 9: Angola, Burundi, Cameroon, DRC, Kenya, Niger, Tanzania, Uganda, ZImbabwe.

Measles

In week 4 measles was monitored in 13 countries. As in the previous week measles was monitored in Chad, DRC, Ethiopia, Guinea, Kenya, Liberia, Madagascar, Mali, Mauritius, Nigeria, Sierra Leone, South Sudan, Uganda.

Hepatitis E

It is monitored in 3 countries (Central African Republic, Namibia, South Sudan) as in previous weeks

Lassa fever

In week 3 lassa fever was monitored in Benin, Nigeria, Togo. In week 4, lassa fever is monitored in 4 countries: Benin, Liberia, Nigeria, and Togo

Monkeypox

It is monitored in Central African Republic, DRC and Nigeria as in previous weeks

Polio

It is monitored in 4 countries (DRC, Mozambique, Niger, Nigeria) as in previous weeks.

Yellow Fever

It is monitored in 4 countries (Central African Republic, DRC, Nigeria, South Sudan) as in previous week

additional details can be found here:

https://apps.who.int/iris/bitstream/handle/10665/279866/OEW04-1925012019.pdf