US - 1 new outbreak of SARS-CoV-2/COVID-19 in a cat in a residential household, Cook, Illinois (OIE, June 10, 2020)

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SARS-CoV-2/COVID-19, United States of America

Information received on 10/06/2020 from Dr Mark Davidson, Associate Administrator, USDA-APHIS, United States Department of Agriculture, Washington, United States of America

Summary Report type Follow-up report No. 6 Date of start of the event 27/03/2020 Date of confirmation of the event 04/04/2020 Report date 10/06/2020 Date submitted to OIE 10/06/2020 Reason for notification Emerging disease Morbidity 2 (scale 0 to 5) Mortality 0 (scale 0 to 5) Zoonotic impact Zoonotic potential currently unknown Causal agent SARS-CoV-2/COVID-19 Related reports 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)

New outbreaks (1)

Outbreak 1 Cook County, Cook, Illinois Date of start of the outbreak 19/05/2020 Outbreak status Continuing (or date resolved not provided) Epidemiological unit Other Affected animals Species Susceptible Cases Deaths Killed and disposed of Slaughtered Cats 1 1 0 0 0 Affected population Pet domestic cat (Felis catus) in a residential household

Summary of outbreaks Total outbreaks: 1 Total animals affected Species Susceptible Cases Deaths Killed and disposed of Slaughtered Cats 1 1 0 0 0 Outbreak statistics Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost* Cats 100.00% 0.00% 0.00% 0.00% *Removed from the susceptible population through death, destruction and/or slaughter

Epidemiology Source of the outbreak(s) or origin of infection Suspected human transmission Epidemiological comments 10 Jun 2020 Update—A domestic cat from a known positive COVID-19 household was sampled for respiratory illness. Clinical signs included fever, oral lesions and ulcerations on the tongue. The cat tested negative by feline respiratory panel, FIV and FeLV, and positive by feline coronavirus serologic test, a common finding. The initial testing laboratory also conducted a SARS-CoV-2 test. Infection with SARS-CoV-2 was confirmed at NVSL based upon molecular testing (PCR and sequencing). The cat is reportedly recovering.

Control measures Measures applied Quarantine Disinfection Vaccination permitted (if a vaccine exists) No treatment of affected animals Measures to be applied No other measures

Diagnostic test results Laboratory name and type Species Test Test date Result National Veterinary Services Laboratories (National laboratory) Cats gene sequencing 27/05/2020 Positive National Veterinary Services Laboratories (National laboratory) Cats real-time reverse transcriptase/polymerase chain reaction (RRT-PCR) 27/05/2020 Positive

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=34590