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A mysterious outbreak of a deadly disease that killed one man and 14 racehorses and then subsided as inexplicably as it began has been traced to a new virus by researchers in Australia, where the outbreak occurred. The virus, which has not been named, was found to have the characteristics of the morbilliform family, which includes the measles virus, the researchers are reporting in today's issue of Science. It is the first new virus in the family to attack humans since what is now known as measles was identified in the 10th century. A team led by Dr. Keith Murray, of the government's top-security Australian Animal Health Laboratory in Geelong, Victoria, was quickly called in to try to identify the virus, which had already killed some horses and had infected two humans

NEW YORK - A mysterious outbreak of a deadly disease that killed one man and 14 racehorses and then subsided as inexplicably as it began has been traced to a new virus by researchers in Australia, where the outbreak occurred. The virus, which has not been named, was found to have the characteristics of the morbilliform family, which includes the measles virus, the researchers reported in today's issue of Science. It is the first new virus in the family to attack humans since the measles virus was identified in the 10th century

Researchers say a new virus is responsible for the mysterious outbreak of a deadly disease that killed one man and 14 racehorses in Australia. The virus, which has not been named, is related to the measles virus, the researchers are reporting in Friday's issue of Science. It is the first new virus in the family to attack humans since the measles disease virus was identified in the 10th century. A team led by Dr. Keith Murray, of the government's top security Australian Animal Health Laboratory in Geelong, Victoria, was quickly called in to try to identify the virus, which had already killed some horses and had infected two humans

A mysterious outbreak of a deadly disease that killed one man and 14 racehorses and then subsided as inexplicably as it began has been traced to a new virus by researchers in Australia, where the outbreak occurred. The virus, which has not been named, belongs to the morbilliform family, which includes the measles virus, the researchers are reporting in today's issue of Science. It is the first new virus in the family to attack humans since the measles virus was identified in the 10th century. A team led by Dr. Keith Murray, of the government's top security Australian Animal Health Laboratory in Geelong, Victoria, was quickly called in to try to identify the virus, which had already killed some horses and had infected two humans

What was believed to be the earliest case of AIDS, involving David Carr, a 25-year-old man who died in 1959 in Manchester England, may not have been AIDS after all, new scientific evidence shows. The implications this change would have on current knowledge of the epidemic's history are discussed

The bleeding stomach ulcer that Secretary of State Warren Christopher suffered as a complication of a nonsteroidal anti-inflammatory drug he took for arthritis vividly illustrates the dangers of such drugs. Complications of these drugs, referred to by doctors as NSAIDs (pronounced EN-seds), are a significant public health problem. The complications have been described in a medical journal as the most prevalent serious drug toxicity in the United States. Christopher's ulcer sent him to the intensive-care unit of Ottawa Civic Hospital during President Clinton's visit to Canada the week of Feb. 20. Doctors there said the ulcer had been caused by complications of Ansaid, a nonsteroidal anti-inflammatory drug made by Upjohn Co. of Kalamazoo, Mich. It is one of 25 NSAIDs approved for marketing by the Food and Drug Administration (FDA)

The type of dietary fat strongly affects the incidence of gallstones in the hamster model of cholesterol cholelithiasis. The present study was designed to determine whether dietary fats could affect gallstone formation by altering the microstructure (vesicular/micellar ratio) of cholesterol in bile. Golden Syrian hamsters from Sasco (Omaha, NE) or Charles River (Wilmington, MA) were fed nutritionally adequate semipurified diets to which were added: (i) 4.0% butterfat without added cholesterol; (ii) 1.2% palmitic acid plus 0.3% cholesterol; or (iii) 4.0% safflower oil plus 0.3% cholesterol. Gallstone incidence and the percentage of cholesterol in vesicles and micelles were determined after two- or six-week feeding periods. Three out of ten Sasco hamsters fed the 1.2% palmitic acid diet for two weeks had cholesterol stones, while none of the eight Charles River animals had stones. In the Sasco hamsters, a significant proportion of the biliary cholesterol was found in void volume vesicles (28.8%) and small vesicles (17.1%); Charles River hamsters had negligible proportions (1.1%) of cholesterol in void volume vesicles and 15.4% in small vesicles. Cholesterol gallstones were most abundant in Sasco hamsters fed 1.2% palmitic acid for six weeks (nine out of ten animals); the mean cholesterol saturation index of the bile was 1.27. A significant proportion of the biliary cholesterol was eluted in the void volume vesicles (21.4%) and in small vesicles (15.0%). Five of the eight identically treated Charles River hamsters had cholesterol stones; the cholesterol saturation index averaged 1.36, and the biliary cholesterol was present in void volume vesicles (31.3%) and small vesicles (14.3%).(ABSTRACT TRUNCATED AT 250 WORDS)