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.
The 2015 season average U.S. prices were $29.00 per hundred weight for head lettuce and $45.31 for leaf/romaine lettuce. Based on most recent production and price averages, the estimated gross value per acre is approximately $10,400 for head lettuce. The cost of lettuce production varies depending on the location.