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CHICKENPOX - Reported cases by state and by age, selected states, 1980
Does not include cases reported by states of Connecticut and Massachusetts.
DIPHTHERIA – Reported case rates, United States, 1955-1980
The diphtheria case rate has continued to decrease in recent years; however, the death-to-case ratio has remained stable, suggesting that diphtheria is still difficult to treat. The best method for preventing deaths from diphtheria is vaccination.
ENCEPHALITIS - Reported cases by month of onset, United States, 1970-1979
JF MAM J JA SONDJFMAMJJ A SONDJFMAMJ J A SOND JFMANJ JASONDJF NAMJJ A SONDJF MAMJ JASONDJFMAM J JASOND JEMAMJJASOND JFMAMJ JASONDJ FMAMJ JASOND
Encephalitis reporting for 1979 was typical of nonepidemic years (1975 was an epidemic year). The increase in reports during the warmer months probably reflects a composite of arboviral and enteroviral activity. ENCEPHALITIS – Reported cases by etiology and month, United States, 1979