Alan B. Bloch

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OBJECTIVE To determine antituberculosis drug resistance patterns, geographic distribution, demographic characteristics, and risk factors of reported tuberculosis (TB) patients in the United States. DESIGN Survey of reported TB cases in the United States. For culture-positive cases reported to the Centers for Disease Control and Prevention, we asked health(More)
From 1985 through 1988, 5.1 percent of TB cases reported in the United States were diagnosed at death. Differences in the proportions diagnosed at death by race/ethnicity, sex, and place of birth (United States vs foreign-born) were relatively small. The proportion of cases diagnosed at death increased with age, from 0.7 percent in patients less than 5(More)
In February 1981, a measles outbreak occurred in a pediatric practice in DeKalb County, GA. The source case, a 12-year-old boy vaccinated against measles at 11 1/2 months of age, was in the office for one hour on the second day of rash, primarily in a single examining room. On examination, he was noted to be coughing vigorously. Seven secondary cases of(More)
As a result of intensive efforts to vaccinate children, measles and its attendant complications of encephalitis and death have declined more than 99% from the prevaccine era. Similarly, subacute sclerosing panencephalitis has declined markedly. Measles vaccine has been demonstrated to be extremely safe, as well as extremely effective. The health and(More)
SETTING The highest priority for tuberculosis (TB) control is to ensure patients complete therapy. However, standardized, detailed evaluation of national performance on completion of therapy in the United States has been lacking. Since 1982, the Centers for Disease Control and Prevention (CDC) has had a program objective that at least 90% of TB cases(More)
Of 48,712 acquired immunodeficiency syndrome (AIDS) cases reported to the Centers for Disease Control from October 1987 through March 1989, 1239 (2.5%) were diagnosed with extrapulmonary tuberculosis. Extrapulmonary tuberculosis was diagnosed in 1013 (2.3%) of the US-born persons with AIDS, compared with 26 (8%) of the Mexican-born, 82 (13%) of the(More)
Florida reported 1858 cases of the acquired immunodeficiency syndrome (AIDS) and 8455 cases of tuberculosis from January 1, 1981, through October 31, 1986. Of the patients with AIDS, 159 (8.6%) also had tuberculosis, and 154 (1.8%) of the patients with tuberculosis also had AIDS. Among patients with both diagnoses, tuberculosis was diagnosed before AIDS by(More)
OBJECTIVE To assess nosocomial transmission of tuberculosis (TB). DESIGN A historical cohort study of hospitalized patients with the human immunodeficiency virus (HIV) and a purified protein derivative (PPD) tuberculin skin test survey of health care workers (HCWs). SETTING A large public teaching hospital in San Juan, Puerto Rico. PATIENTS For the(More)