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Table 1 The collection of aquatic stages of Simulium hamedense from study sites in Abu Hamed focus

From: The impact of Merowe Dam on Simulium hamedense vector of onchocerciasis in Abu Hamed focus - Northern Sudan

Study site

Aquatic stages ( Simulium hamedense)

Before flooding of Merowe Dam (2007/2008)

After flooding of Merowe Dam (2010/2011)

AlSarsaf

+ve

+ve

Wadi Gaoud*

+ve

-ve

AlKab

+ve

-ve

AlSufaiha

+ve

-ve

Sheri

+ve

-ve

AlKarareer

+ve

-ve

Areg island

+ve

-ve

Berty island

+ve

-ve

Eastern Birty

+ve

-ve

Kair Shameam**

+ve

-ve

Hamdab Island

-ve

-ve

  1. (*)Last area affected by flooding of Merowe Dam.
  2. (**)End of the Abu Hamed focus.