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'It's pretty pleasant to see two teams that did not know each other reach similar findings,' Dr. Lin-Fa Wang, a virologist at the Australian Animal Health Laboratory, said in a telephone interview. After collecting hundreds of bats from the wild and from Chinese markets, each team reported identifying different viruses from the coronavirus family that are very closely related to the SARS virus. SARS now appears to join a number of other infectious agents that bats can transmit. Over the past decade, bats have been found as the source of two newly discovered human infections caused by the Nipah and Hendra viruses that can produce encephalitis and respiratory disease. It was highly unlikely that insects transmitted the SARS viruses to bats, because the viruses do not grow in insect cells in the laboratory, Wang said. Most civets that are sold in China as a delicacy are farmed, Wang said, and the government should make sure civet farms are distant from bat colonies, routinely monitor farmed civets for SARS-like viruses and allow just noninfected animals to be sold in markets

The SARS virus, which killed 774 people and caused severe economic losses, particularly in Asia, as it spread to Canada and other countries, has long been known to come from an animal. Now two scientific teams independently say that the Chinese horseshoe bat is that animal and is the reservoir of the virus in nature. SARS now appears to join a number of other infectious agents that bats can transmit. Over the last decade, bats have been found as the source of two newly discovered human infections caused by the Nipah and Hendra viruses that can produce encephalitis and respiratory disease. Bats have long been known to transmit other infectious agents like the rabies virus and the fungus that causes histoplasmosis. During the SARS outbreak, attention focused on the role of Himalayan palm civets in transmitting the disease after scientists identified the virus in this species and in a raccoon dog sold in markets in Guangdong. The finding led Chinese officials to temporarily prohibit sale of civets and to cull a large number of the animals

SARS now appears to join a number of other infectious agents that bats can transmit. Over the last decade, bats have been found as the source of two newly discovered human infections caused by the Nipah and Hendra viruses that can produce encephalitis and respiratory disease. In the SARS outbreak, attention focused on the role of Himalayan palm civets in transmitting it after scientists identified the virus in this species and in a raccoon dog sold in markets in Guangdong. But W.H.O. officials and scientists elsewhere cautioned that these species were most likely only intermediaries in the transmission, largely because no widespread infection could be found in wild or farmed civets. So, the teams assembled a variety of specialists, including veterinarians, zoologists, virologists and ecologists. The Chinese horseshoe bat fits those criteria and the civets do not, Dr. [Lin-Fa Wang] said. The bat feeds on moths and other insects and generally does not bite animals. It was highly unlikely that insects transmitted the SARS viruses to bats, because the viruses do not grow in insect cells in the laboratory, Dr. Wang said. Most civets that are sold in China as a delicacy are farmed, Dr. Wang said, and the government should ensure civet farms are distant from bat colonies, monitor farmed civets for SARS-like viruses and allow just noninfected animals to go to market

'It's pretty pleasant to see two teams that did not know each other reach similar findings,' Dr. Lin-Fa Wang, a virologist at the Australian Animal Health Laboratory, said in a phone interview. After collecting hundreds of bats from the wild and from Chinese markets, each team reported identifying different viruses from the coronavirus family that are very closely related to the SARS virus. SARS now appears to join a number of other infectious agents that bats can transmit. Over the last decade, bats have been found as the source of two newly discovered human infections caused by the Nipah and Hendra viruses that can produce encephalitis and respiratory disease. In the SARS outbreak, attention focused on the role of Himalayan palm civets (long-tailed, fruit-eating mammals related to mongooses) in transmitting it after scientists identified the virus in this species and in a raccoon dog (a wild, fox-like canine with dark patches on its face similar to a raccoon) sold in markets in Guangdong

The bats apparently are healthy carriers of SARS, which caused severe economic losses, particularly in Asia, as it spread to Canada and other countries. In Asia, many people eat bats or use bat feces in traditional medicine for asthma, kidney ailments and general malaise

The bats apparently are healthy carriers of SARS, which caused severe economic losses, particularly in Asia, as it spread to Canada and other countries. In Asia, many people eat bats or use bat feces in traditional medicine for asthma, kidney ailments and general malaise

On Saturday, a team of five doctors performed a minimally invasive procedure to implant flexible stent-grafts in the popliteal arteries behind each knee. Mr. [Dick Cheney] was given local anesthesia during the procedures, which together lasted six hours. Mr. [Stephen E. Schmidt] said that, before they started, the vice president's doctors had expected to perform the procedure only on the artery in Mr. Cheney's right knee. But during the procedure, he said, the doctors decided to repair both knees. Although the stent-graft procedure avoids the use of general anesthesia, ''there still is stress associated with the procedure under local anesthesia, and there are potential complications,'' said Dr. K. Craig Kent, chief of vascular surgery at Weill Cornell and Columbia University medical schools