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Ofloxacin and ciprofloxacin resistance (MIC,>4 ,ug/ml)

During the past eight decades, a large number of studies have examined the possible relationship between blood type and infection. Many publications reflect uncritical attempts to mathematically link unstratified or random data. The interaction of pathogen and erythrocyte membrane may reflect antigenic similarity, adhesion through specific receptors, or modulation of antibody response. Anthropological surveys suggest that the geographic and racial distribution of human blood groups reflects susceptibility of populations with specific blood types to the plague, cholera, smallpox, malaria and other infectious diseases.

Although blue-green molds of the genus Penicillium are ubiquitous in the human environment, invasive penicilliosis is uncommon and primarily encountered among immunosuppressed patients. A patient with HIV infection who died of severe necrotizing esophagitis caused by Penicillium chrysogenum is reported and the relevant English language literature on human penicilliosis is reviewed. Although infectious esophagitis is commonly associated with AIDS, Penicillium esophagitis has not been described in such patients.

We describe two cases of West Nile (WN) encephalitis in a married couple in Tel Aviv, Israel, in 1999. Reverse transcription-polymerase chain reaction performed on a brain specimen from the husband detected a WN viral strain nearly identical to avian strains recovered in Israel in 1998 (99.9% genomic sequence homology) and in New York in 1999 (99.8%). This result supports the hypothesis that the 1999 WN virus epidemic in the United States originated from the introduction of a strain that had been circulating in Israel.

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Klebsiella ozaenae and Klebsiella rhinoscleromatis are uncommon organisms usually associated with granulomatous or necrotizing disease of the upper airways. Seven patients are described, non of whom had characteristic clinical manifestations of infection with these species. The organisms were recovered from mixed wound infections or sputum of five patients, and from the blood of three patients. Antibiotic sensitivity patterns were unusual and included susceptibility to both ampicillin and carbenicillin.

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