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US - 2 new outbreaks of SARS-CoV-2/COVID-19 in cat and dog, Texas, Arizona (OIE, July 23, 2020)

Pathfinder

Pathfinder

Editor, Senior Moderator
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[TD="align: left"]SARS-CoV-2/COVID-19,
United States of America[/TD]
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[TD]Information received on 23/07/2020 from Dr Mark Davidson, Associate Administrator, USDA-APHIS, United States Department of Agriculture, Washington, United States of America[/TD]
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[TD]Summary

[TD="width: 10%"]Report type[/TD]
[TD="width: 30%"]Follow-up report No. 11[/TD]

[TD="width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]27/03/2020[/TD]

[TD="width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]04/04/2020[/TD]

[TD="width: 10%"]Report date[/TD]
[TD="width: 30%"]23/07/2020[/TD]

[TD="width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]23/07/2020[/TD]

[TD="width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Emerging disease[/TD]

[TD="width: 10%"]Morbidity[/TD]
[TD="width: 30%"]2 (scale 0 to 5)[/TD]

[TD="width: 10%"]Mortality[/TD]
[TD="width: 30%"]0 (scale 0 to 5)[/TD]

[TD="width: 10%"]Zoonotic impact[/TD]
[TD="width: 30%"]Zoonotic potential currently unknown[/TD]

[TD="width: 10%"]Causal agent[/TD]
[TD="width: 30%"]SARS-CoV-2/COVID-19[/TD]

[TD="width: 10%"]Related reports[/TD]
[TD="width: 30%"] Immediate notification (06/04/2020) Follow-up report No. 1 (17/04/2020) Follow-up report No. 2 (22/04/2020) Follow-up report No. 3 (29/04/2020) Follow-up report No. 4 (02/06/2020) Follow-up report No. 5 (03/06/2020) Follow-up report No. 6 (10/06/2020) Follow-up report No. 7 (25/06/2020) Follow-up report No. 8 (02/07/2020) Follow-up report No. 9 (09/07/2020) Follow-up report No. 10 (17/07/2020) Follow-up report No. 11 (23/07/2020) [/TD]
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[TD]New outbreaks (2)[/TD]
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Brazos County, Brazos, Texas
Date of start of the outbreak28/06/2020
Outbreak statusContinuing (or date resolved not provided)
Epidemiological unitOther
Affected animals
SpeciesSusceptibleCasesDeathsKilled and disposed ofSlaughtered
Dogs20000
Cats11000
Affected populationPet domestic cat (Felis catus) in a residential household

[TD="align: left"]Outbreak 1[/TD]
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Maricopa County, Maricopa, Arizona
Date of start of the outbreak10/07/2020
Outbreak statusContinuing (or date resolved not provided)
Epidemiological unitOther
Affected animals
SpeciesSusceptibleCasesDeathsKilled and disposed ofSlaughtered
Dogs31000
Cats10000
Affected populationPet domestic dog (Canis lupus familiaris) in a residential household

[TD="align: left"]Outbreak 2[/TD]
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Total outbreaks: 2
Total animals affected
SpeciesSusceptibleCasesDeathsKilled and disposed ofSlaughtered
Dogs51000
Cats21000
Outbreak statistics
SpeciesApparent morbidity rateApparent mortality rateApparent case fatality rateProportion susceptible animals lost*
Dogs20.00%0.00%0.00%0.00%
Cats50.00%0.00%0.00%0.00%

[TD="align: left"]Summary of outbreaks[/TD]

[TD="colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]
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[TD]Epidemiology
Source of the outbreak(s) or origin of infection
  • Suspected human transmission
Epidemiological comments23 Jul 2020 Update-- Arizona (AZ): A domestic dog from a known positive COVID-19 household was confirmed positive for SARS-CoV-2 at the National Veterinary Services Laboratories based upon molecular testing (PCR and sequencing). The affected dog exhibited respiratory clinical signs, but has since reportedly recovered. Texas (TX): A domestic cat from a known positive COVID-19 household was confirmed positive for SARS-CoV-2 at the National Veterinary Services Laboratories based upon molecular testing (PCR and sequencing). The cat showed no clinical signs and continues to be asymptomatic. Two dogs residing in the same household have remained asymptomatic and tested negative for SARS-CoV-2 by PCR. Samples for this case were collected as part of planned and targeted active surveillance of a specific animal, with known or suspected exposures to a person with COVID-19 or other exposure to SARS-CoV-2, to better understand risk factors for SARS-CoV-2 transmission. Virus neutralizing antibodies in the absence of other positive test results have been detected in the following animals (listed by state): 1. 4 cats and 2 dogs from four households (UT)** 2. 2 dogs from different households (WI)** 3. 1 dog (NC)* As of 23 Jul 2020, total number of animals with detections of virus neutralizing antibody only: 12 *Animal had exposure to a probable or confirmed human with COVID-19 ** Samples collected as part of planned and targeted active surveillance of a specific animal, with known or suspected exposures to a person with COVID-19 or other exposure to SARS-CoV-2, to better understand risk factors for SARS-CoV-2 transmission.
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[TD]Control measures
Measures applied
  • Quarantine
  • Disinfection
  • Vaccination permitted (if a vaccine exists)
  • No treatment of affected animals
Measures to be applied
  • No other measures
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[TD]Diagnostic test results
Laboratory name and typeSpeciesTestTest dateResult
National Veterinary Services Laboratories (National laboratory)Catsgene sequencing21/07/2020Positive
National Veterinary Services Laboratories (National laboratory)Catsreal-time reverse transcriptase/polymerase chain reaction (RRT-PCR)21/07/2020Positive
National Veterinary Services Laboratories (National laboratory)Catsvirus neutralisation test (VNT)22/07/2020Positive
National Veterinary Services Laboratories (National laboratory)Dogsgene sequencing15/07/2020Positive
National Veterinary Services Laboratories (National laboratory)Dogsreal-time reverse transcriptase/polymerase chain reaction (RRT-PCR)15/07/2020Positive
National Veterinary Services Laboratories (National laboratory)Dogsvirus neutralisation test (VNT)22/07/2020Positive
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[TD]Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
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https://www.oie.int/wahis_2/public/w...reportid=35140
 
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