51.   No information was reported on the incidence of potentially fatal blood clots, which occurred among women in the tamoxifen study.

52.   Now investigators say many cases of the illness have occurred among people who have not even eaten strawberries.

53.   No one knows what proportion of new HIV infections are the results of strains already resistant to protease inhibitors and how often resistance occurs among those taking the combinations.

54.   Of the three types of naso-pharyngeal cancer, the most common occurs among Asians and is linked to the Epstein-Barr virus but not tobacco.

55.   Nobody knows how many suicides have occurred among the millions of people who have taken SSRI antidepressants.

56.   Over half of new infections of HIV now occur among IV drug users, according to the Centers for Disease Control.

57.   Only five cases of inhalation anthrax occurred among the workers during the study period, none of them among those vaccinated.

58.   Researchers are investigating mysterious outbreaks of pneumonia that have occurred among male homosexuals in Los Angeles and several other cities. . . .

59.   Similar, more modest gains have occurred among skilled production and craft workers.

60.   Slightly more than half the deaths from heart disease in the United States now occur among women, and this share is likely to increase as the population ages.