Bacteria and viruses are the two main causes of meningitis. The bacterium Neisseria meningitidis, also called meningococcus, causes meningococcal meningitis. In children and teens, meningococcus is the most common cause of bacterial meningitis. In adults, it is the second most common cause.
A 14-passenger matatu cost 70 shillings to ride; in a 15-hour day it could make six to seven round trips, taking in 6,000 to 7,000 shillings, about $100. Riding a 51-passenger matatu cost 40 shillings for a vehicle that moved more slowly; it only managed five to six round trips in a day.
Miniature cows cost $1,800 to $3,500 depending on the size, markings and color. (A good standard Jersey sold as a family milk cow will cost $1,400 to $1,800.) Although small-breed cattle may cost more initially, they have some interesting advantages.