Morbidity and mortality weekly report, Vol. 22, no. 30, July 28, 1973

Epidemiologic notes and reports: Human bubonic plague - Arizona -- Malaria - California -- Diphtheria - Washington -- Probable botulism - Maryland -- Follow-up on relapsing fever - Arizona.Table I. Cases of specified notifiable diseases: United States -- Table II. Notifiable diseases of low frequency -- Table III. Cases of specified notifiable diseases: United States, weeks ending July 28, 1973, and July 29, 1972 (30th week) -- Table IV. Deaths in 122 U.S. cities, week ending July 28, 1973