Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 13, Number 6—June 2007
Letter

Human Oestrus sp. Infection, Canary Islands

Marion Hemmersbach-Miller*†, Rita Sánchez-Andrade‡, Alicia Domínguez-Coello§, Adnan Hawari Meilud*, Adolfo Paz-Silva‡, Cristina Carranza¶, and Jose-Luis Pérez-Arellano¶Comments to Author 
Author affiliations: *Hospital Ntra. Sra. de los Reyes, Valverde. El Hierro, Spain; †Hospital San Roque Maspalomas, Gran Canaria, Spain; ‡Santiago de Compostela University, Lugo, Spain; §Veterinarian of the Cooperativa de Ganaderos de El Hierro, El Hierro, Spain; ¶University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain;

Main Article

Table

Results and interpretation, Oestrus sp. infection, Canary Islands*†

Human Dogs Sheep Goats
OD
 Interpretation
 OD
 Interpretation
 OD
 Interpretation
 OD
 Interpretation
0.658 Positive 0.677 Positive 0.639 Positive 0.838 Positive
0.824 Positive 0.685 Positive 0.535 Positive
0.226 Negative 0.594 Positive
0.187 Negative 0.673 Positive
0.622 Positive

*Results are expressed as optical density (OD), and interpretation (positive/negative) was made by using the following cut-offs: in sheep: 0.369 (0.1718 + 3 × 0.066); goats: 0.406 (0.211 + 3 × 0.065); human 0.32 (0.17 + 3 × 0.049); dogs: 0.493 (0.37 + 3 × 0.041).
†One sample of positive and negative control samples was added to each plate. Sheep and goat sera from animals with a known history of O. ovis exposure were used. When positive sera were not available (human and dogs), we used only negative sera, and the cut-off was estimated as the mean OD of the negative sera plus 3 SDs (7).

Main Article

References
  1. Masoodi  M, Hosseini  K. The respiratory and allergic manifestations of human myiasis caused by larvae of the sheep bot fly (Oestrus ovis): a report of 33 pharyngeal cases from southern Iran. Ann Trop Med Parasitol. 2003;97:75–81. DOIPubMedGoogle Scholar
  2. Fathy  FM, El-Barghathi  A, El-Ahwal  A, El-Bagar  S. Study on human ophthalmomyiasis externa caused by Oestrus ovis larva, in Sirte-Libya: parasite features, clinical presentation and management. J Egypt Soc Parasitol. 2006;36:265–82.PubMedGoogle Scholar
  3. Beristain  X, Alkorta  M, Egana  L, Lacasta  A, Cilla  G. Nasopharyngeal myasis by third stage larvae of Oestrus ovis. Enferm Infecc Microbiol Clin. 2001;19:86–7.PubMedGoogle Scholar
  4. Lucientes  J, Ferrer-Dufol  M, Andres  MJ, Peribanez  MA, Gracia-Salinas  MJ, Castillo  JA. Canine myiasis by sheep bot fly (Diptera: Oestridae). J Med Entomol. 1997;34:242–3.PubMedGoogle Scholar
  5. Sanchez-Andrade  R, Romero  JL, Suarez  JL, Pedreira  J, Diaz  P, Arias  M, Comparison of Oestrus ovis metabolic and somatic antigens for the immunodiagnosis of the zoonotic myasis oestrosis by immunoenzymatic probes. Immunol Invest. 2005;34:91–9. DOIPubMedGoogle Scholar
  6. Suarez  JL, Scala  A, Romero  JA, Paz-Silva  A, Pedreira  J, Arias  M, Analysis of the humoral immune response to Oestrus ovis in ovine. Vet Parasitol. 2005;134:153–8. DOIPubMedGoogle Scholar
  7. Scala  A, Paz-Silva  A, Suarez  JL, Lopez  C, Diaz  P, Diez-Banos  P, Chronobiology of Oestrus ovis (Diptera: Oestridae) in Sardinia, Italy: guidelines to chemoprophylaxis. J Med Entomol. 2002;39:652–7. DOIPubMedGoogle Scholar
  8. Dorchies  P. Comparative physiopathology of Oestrus ovis (Linne 1761) myiasis in man and animals. Bull Acad Natl Med. 1997;181:673–84.PubMedGoogle Scholar
  9. Yacob  HT, Jacquiet  P, Prevot  F, Bergeaud  JP, Bleuart  C, Dorchies  P, Examination of the migration of first instar larvae of the parasite Oestrus ovis (Linne 1761) [Diptera: Oestridae] in the upper respiratory tract of artificially infected lambs and daily measurements of the kinetics of blood eosinophilia and mucosal inflammatory response associated with repeated infection. Vet Parasitol. 2004;126:339–47. DOIPubMedGoogle Scholar
  10. Macdonald  PJ, Chan  C, Dickson  J, Jean-Louis  F, Heath  A. Ophthalmomyiasis and nasal myiasis in New Zealand: a case series. N Z Med J. 1999;112:445–7.PubMedGoogle Scholar

Main Article

Page created: June 24, 2010
Page updated: June 24, 2010
Page reviewed: June 24, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external