Cases reported "Bird Diseases"

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1/21. How useful is the chlamydia micro-immunofluorescence (MIF) test for the gynaecologist?

    Three patients with a chlamydial respiratory tract infection showed significant titre rises for the three chlamydial micro-immunofluorescence tests, performed with chlamydia pneumoniae, C. psittaci and C. trachomatis. Such cross-reactions procure an inaccurate discrimination between the various chlamydia species which remains speculative anyhow when only a positive serological profile against one chlamydial subspecies is performed. We consider that using the serologic assay as proof for past sexually transmitted C. trachomatis infection falls outside the limits of prudent interpretation of laboratory tests. ( info)

2/21. Update: west nile virus activity--Northeastern united states, January-August 7, 2000.

    Surveillance programs initiated in response to the 1999 west nile virus (WNV) outbreak have detected increased transmission in the northeastern united states (1). Seventeen states along the Atlantic and gulf coasts, new york city (NYC), and washington, D.C., have conducted WNV surveillance and are reporting to CDC (1). Surveillance for WNV infection includes monitoring of mosquitoes, sentinel chicken flocks, wild birds, and potentially susceptible mammals (e.g., horses and humans) (2). This report summarizes findings of this surveillance system through August 7, 2000. ( info)

3/21. Salmonellosis in a human infant, a cat, and two parakeets in the same household.

    Salmonellosis occurred in a human infant, cat, and 2 pet parakeets in the same household. salmonella typhimurium var copenhagen was isolated from all 4 subjects; however, its original source was never determined. The parakeets subsequently died, and necropsy revealed enteritis, foci of hepatic necrosis, and leptomeningitis. ( info)

4/21. mycobacterium tuberculosis infection in a canary (Serinus canana L.) and a blue-fronted Amazon parrot (amazona amazona aestiva).

    I report two cases of mycobacteriosis in pet birds due to mycobacterium tuberculosis and discuss the zoonotic implications. The canary with a tuberculous knot in the lung is the first description of M. tuberculosis in a nonpsittacine bird species. ( info)

5/21. west nile virus activity--united states, July 3-9, 2003.

    This report summarizes west nile virus (WNV) surveillance data reported to CDC through ArboNET as of 8 a.m. Mountain Daylight time, July 9, 2003. ( info)

6/21. Human psittacosis linked to a bird distributor in mississippi--massachusetts and tennessee, 1992.

    During April-May 1992, CDC was notified of a possible outbreak of psittacosis involving members of two families in massachusetts and tennessee who had recently purchased birds as pets. In the subsequent investigation of this problem, human psittacosis was defined as a fourfold rise in complement-fixing antibody titer to > or = 32 or a single titer of > or = 32 in a patient with fever and/or respiratory symptoms. This report summarizes the investigation of this problem. ( info)

7/21. Human infestation by pigeon fleas (Ceratophyllus columbae) from feral pigeons.

    The report concerns a married couple who were repeatedly invaded by pigeon fleas (Ceratophyllus columbae) over a period of 2 months. The source of the fleas was a pair of breeding feral pigeons (Columba livia). The birds' nest was located in the attic immediately above the couple's apartment, and the fleas found their way along an unsealed heating pipe. The people encountered up to 40 bites per night. With invasions repeated almost every night, the man gradually developed an allergic urticarial reaction. The most traumatic experience for the couple, however, was to learn that they were invaded by fleas (initially, they had presumed they were bothered by mosquitoes). This information resulted in severe psychological distress with phobic reactions and insomnia. Despite the successful removal of the fleas and the pigeons that were source of the pest, parasitophobia of the man persisted over the following 4 months. This case is discussed from the broader aspect of health risks related to feral pigeons and animal fleas. Also summarised are previous observations on people invaded by pigeon fleas. ( info)

8/21. Anaphylactic shock to argas reflexus bite.

    anaphylaxis is a severe, life-threatening allergic reaction, affecting both children and adults. The occurrence of anaphylaxis is not as rare as generally believed (1.21% to 15.04% of the US population). Often the cause of this reaction remain unknown, mainly due to the difficulty in defining the outbreaking causes. Herein, we describe an interesting case of a patient, who developed an anaphylactic reaction after the bite of a pigeon tick. During the last 2 years, in wintertime, the patient often came to the emergency room for general rash and swelling, hypotension and tachycardia preceded by itching and general distress. Notably, the symptoms manifested themselves as night fell. In two particular occasions the patient reached the hospital in a state of shock. After another episode of general swelling, the patient was invited to examine her domestic environment. She brought us some parasites, collected at home, particularly on the bed. A morphological examination by entomologists proved these parasites to belong to argas reflexus (Arg.r.), one of the 31 species of soft ticks. The presence of specific IgE to a protein secreted by the Arg.r. salivary glands was in favour of immediate-type systemic reaction, as supposed by the clinical history. ( info)

9/21. Avian flu: isolation of drug-resistant H5N1 virus.

    The persistence of H5N1 avian influenza viruses in many Asian countries and their ability to cause fatal infections in humans have raised serious concerns about a global flu pandemic. Here we report the isolation of an H5N1 virus from a Vietnamese girl that is resistant to the drug oseltamivir, which is an inhibitor of the viral enzyme neuraminidase and is currently used for protection against and treatment of influenza. Further investigation is necessary to determine the prevalence of oseltamivir-resistant H5N1 viruses among patients treated with this drug. ( info)

10/21. Human Vero cytotoxigenic Escherichia coli (VTEC) O157 infection linked to birds.

    Vero cytotoxin-producing escherichia coli o157 (VTEC O157) infections are a threat to public health. VTEC O157 has been isolated from gulls but evidence of transmission to humans from birds has not been reported. We recount an incident of VTEC O157 infection affecting two sibling children who had no direct contact with farm animals. An outbreak control team was convened to investigate the source of infection, its likely mode of transmission, and to advise on control measures. Human and veterinary samples were examined and the human isolates were found to be identical to an isolate from a sample of bird (rook) faeces. cattle, rabbit and environmental samples were negative. This report provides evidence that birds may act as intermediaries for human infection with VTEC O157. ( info)
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