Short-lived carriage of foot-and-mouth disease virus in human nasal cavities after exposure to infected animals

A quarantine period for potentially contaminated personnel can be used to reduce the risk of transfer of foot-and-mouth disease virus (FMDV) from infected to susceptible premises. This is set at 72 hours in the UK, on the basis of results from laboratory studies and field observations. Previous anal...

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Bibliographic Details
Published in:Veterinary record 2010-12, Vol.167 (24), p.928-931
Main Authors: Wright, C. F., Gloster, J., Mazelet, L., Paton, D. J., Ryan, E. D.
Format: Article
Language:English
Subjects:
Animals
Carrier State - virology
Cattle
Cattle Diseases - transmission
Cattle Diseases - virology
Foot & mouth disease
Foot-and-Mouth Disease - transmission
Foot-and-Mouth Disease - virology
Foot-and-mouth disease virus
Foot-and-Mouth Disease Virus - isolation & purification
Genome, Viral
Humans
Nasal Cavity - virology
Occupational Exposure
Polymerase Chain Reaction - methods
Quarantine
Sheep
Sheep Diseases - transmission
Sheep Diseases - virology
Swine
Swine Diseases - transmission
Swine Diseases - virology
Time Factors
Ventilation
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Summary:A quarantine period for potentially contaminated personnel can be used to reduce the risk of transfer of foot-and-mouth disease virus (FMDV) from infected to susceptible premises. This is set at 72 hours in the UK, on the basis of results from laboratory studies and field observations. Previous analysis of FMDV carriage within human nasal cavities has relied upon virus isolation by culture in susceptible cells. This study, involving 51 people, evaluated a PCR method, which detected viral genomic material within 35 nasal swabs taken from personnel after up to eight hours exposure to infected animals. Only one of 23 people who was PCR-positive immediately after exposure to FMDV-infected animals remained positive the following day, indicating a low risk of prolonged carriage of virus in the nasal cavities.
ISSN:0042-4900
2042-7670
DOI:10.1136/vr.c6275