Vigorous physical activity among high school students--United States, 1990. -- Bacterial contamination of platelet pools--Ohio, 1991. -- Iguana-associated salmonellosis--Indiana, 1990. -- Update: International Task Force for Disease Eradication, 1990 and 1991. -- Quarterly AIDS map. -- Figure I. Notifiable disease reports, comparison of 4-week totals ending January 18, 1992, with historical data--United States. -- Table I. Summary--cases of specified notifiable diseases, Untied States, cumulative, week ending January 18, 1992 (3rd week). -- Table II. Cases of selected notifiable diseases, Untited States, weeks ending January 18, 1992, and January 19, 1991 (3rd week). -- Table III. Deaths in 121 U.S. cities, week ending January 18, 1992 (3rd week). -- Figure II. Acquired immunodeficiency syndrome cases, by 4-week period of report--United States, 1984-1991. -- Figure III. Tuberculosis cases, by 4-week period of report--United States, 1984-1991. -- Figure IV. Gonorrhea cases, by 4-week period of report--United States, 1984-1991. -- Figure V. Syphilis cases, by 4-week report--United States, 1984-1991.

Morbidity and Mortality Weekly Report (MMWR)