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.
The Swahili speak as their native tongue the Swahili language, which is a member of the Bantu subgroup of the Niger-Congo family. Its closest relatives include Comorian spoken on the Comoros Islands, and the Mijikenda language of the Mijikenda people in Kenya.