Outbreak of viral gastroenteritis--Pennsylvania and Delaware -- Update on influenza activity—worldwide -- Use of workers' compensations claims for surveillance of work-related illness--New Hampshire, January 1986-March 1987 -- Status of the 1990 objectives on misuse of alcohol and drugs -- Table I. Summary-cases specified notifiable diseases, United States -- Table II. Notifiable diseases of low frequency, United States -- Table III. Cases of specified notifiable diseases, United States, weeks ending October 31, 1987 and October 25, 1986 (43rd week) -- Table IV. Deaths in 121 U.S. cities, week ending October 31, 1987 (43rd week) -- Figure I. Reported measles cases—United States, weeks 39-42, 1987

Morbidity and Mortality Weekly Report (MMWR)