Some types of pink eye are very contagious (easily spread from person to person). There are three main types of conjunctivitis. Viral conjunctivitis is the most common type of pink eye. This conjunctivitis is very contagious and often spreads through schools and other crowded places.
Mauritania's official languages are French and Hassaniyya Arabic. Hassaniyya is an Arabic language with many other words mixed in. Many people in the larger cities and villages speak French. The other main languages are Azayr, Fulfulde, Mande-kan, and Wolof.
First, Arabic is the native and only language for millions of people in Egypt, North Sudan, Libya, Tunisia, Algeria, Morocco and Mauritania. Of course, there are significant minorities in North Sudan, Algeria, Morocco and Mauritania that speak other languages, but even these can speak Arabic as a second language.