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.
Prices for head lettuce in 1995 averaged $25.51 per cwt, largely due to prices for head lettuce in April reaching an unprecedented level of $48.20 per cwt, nearly a five-fold increase from the same month the previous year (NASS).anada has been the leading recipient of U.S. lettuce since at least 1989 and exports have continued to increase. Canada received 82 percent ($224.9 million) of total U.S. lettuce exports in 2004 compared to 74 percent in 1989.