Morbidity and mortality weekly report, Vol. 21, no. 4, For week ending January 29, 1972

Table 1. Cases of specified notifiable diseases: United States -- Table 2. Notifiable diseases of low frequency -- Table 3. Cases of specified notifiable diseases: United States for weeks ended January 29, 1972 and January 30, 1971 (4th week) -- Table 4. Deaths in 122 United States cities for week ended January 29, 1972Epidemiological notes and reports: Shigella dysenteriae Type 1 - CaliforniaCurrent trends: Influenza - United States, 1972International notes: Follow-up on poliomyelitis - Trinidad and Tobago -- Quarantine measuresFigure 1. Pneumonia-influenza deaths in 122 United States cities197