Morbidity and mortality weekly report, Vol. 26, no. 12, March 25, 1977

Epidemiologic notes and reports: Follow-up on respiratory disease - Pennsylvania -- Follow-up on Malaria alert for travelers returning from Lagos, Nigeria -- Salmonella Infections associated with homeade ice cream - Michigan -- International notes: Human rabies - Switzerland -- Poliomyelitis - Nicaragua -- Quarantine measures -- Current trends: American hospital association's survey of hospital-based patient education programs -- Influenza - United States.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 for weeks ended March 19, 1977 and March 20, 1976 -- Table IV. Deaths in 121 United States cities week ending March 19, 1977.197