MRSA Definition and Symptoms. MRSA, methicillin-resistant staphylococcus aureus, is an infection that is caused by a certain strain of staph bacteria that is resistant to the commonly used antibiotics.
The Sahel (/sÉËhÉl/) is the ecoclimatic and biogeographic zone of transition in Africa between the Sahara Desert to the north and the Sudanian Savanna to the south. Having a semi-arid climate, it stretches across the south-central latitudes of Northern Africa between the Atlantic Ocean and the Red Sea.
In addition, south Africa, or souâ¦thern Africa, describes a region at the southern part of Africa that includes the Republic of South Africa, the Republic of Namibia, the Republic of Botswana, the Republic of Zimbabwe, the Republic of Mozambique, the Kingdom of Swaziland, the Republic of Angola, and the Kingdom of Lesotho. David Rojas.