| relationship between bacterial meningitis and acellular pertussis vaccine. | we studied case reports of bacterial meningitis and estimated its incidence per 100,000 in three areas of osaka prefecture which differed in population and vaccination schedule for the years of 1987 and 1988. to estimate incidence, we used a simple mathematical method derived from surveillance data for a reported number of exanthem subitum to obtain a coverage constant. with this coverage constant, we estimated the incidence of bacterial meningitis per 100,000 population for each area. in the to ... | 1991 | 1778325 |