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.
Although French is the official language of the Republic, Alsatian has some recognition by the government, and some street signs are bilingual. It is the second most-spoken regional language in France after Occitan, with around 500,000 speakers, although figures among younger generations are declining.