A pyrogen is a substance that induces fever. These can be either internal (endogenous) or external (exogenous) to the body. The bacterial substance lipopolysaccharide (LPS), present in the cell wall of some bacteria, is an example of an exogenous pyrogen.
Kenya is a major producer of tea and coffee. Within the country, coffee is mostly drunk instant and it is not as popular as tea or Chai. Most Kenyans brew their tea with milk and lots of sugar, serving it scalding hot and very sweet. Lager is also popular in Kenya, with local brands made using cornstarch and sugar, as well as the more traditional ingredients of water, malt and hops.
The official languages are Swahili and English   The official languages of Kenya are Swahili and English. English is the language of business. I'ts also the language used for education and teaching in Kenya schools. Swahili (or Kiswahili) is the national language of Kenya, spoken by almost all Kenyans. Besides every Kenya tribe speaks it's own ethnic language, making a total of about 40 ethnic languages.  The official language of Kenya is Swahili.