The small number of reported cases suggests that Hemophilus influenzae meningitis is an infrequent infection in adults. In 1951, Dolphin and Popham1 presented a single case of adult influenzal meningitis and reviewed the literature from 1899 to 1948. Of 912 cases discovered, only 25 occurred in individuals over 20 years of age. Wasserman2 in 1961 reported a case of Hemophilus influenzae meningitis in a 35-year-old woman and stated that this was the 37th published instance of this disease in an adult. In view of this observed infrequency, the occurrence of 4 cases of adult influenzal meningitis at the Medical College Hospital between 1957 and 1960 is deemed significant enough to justify reporting the observations made on these patients. A review of the records of this hospital since its opening in 1955 failed to reveal other instances of this infection in adults. With the report of these cases and
JERVEY LP. Adult Influenzal Meningitis: A Report of Four Cases and Review of the Recent Literature. Arch Intern Med. 1963;111(3):376–383. doi:10.1001/archinte.1963.03620270102016
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