CHICKENPOX - Reported cases by state and by age, selected states, 1980 3 Does not include cases reported by states of Connecticut and Massachusetts. 1.30 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 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 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 |
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