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Volume 31, Number 5—May 2025
Research Letter
Emergence of Feline Sporotrichosis near Brazil Border, Argentina, 2023–2024
, María Cecilia López-Joffre, Mónica Martínez, Jerson Andrés Cuéllar-Sáenz, Marina Ramos, Celeste Agüero, Natalia Olsina, Emanuel Grassi, Esteban Couto, Jorge Mendoza, Carolina Melchior do Prado, Jorge Pablo Castillo, Mabel D. Giménez, Karen E. DeMatteo, Álvaro A. Faccini-Martínez, Mariana Viale, Adriana Toranzo, and Cristina Elena Canteros
Table
Features of domestic cats (Felis catus) suspected of feline sporotrichosis near Brazil Border, Argentina, 2023–2024*
| HH no. | Cat ID | Date | Age/sex | Altered | Habitation† | Type, location of lesion | Collected material | DE, culture | Species, strain no. |
|---|---|---|---|---|---|---|---|---|---|
| 1 |
FSCMi-011‡ |
2023 Aug 1 |
Adult/M |
No |
Feral |
Multiple dog bites |
NS, LS, C |
N/N |
NA |
| 2 | FSCMi-017 | 2023 Nov 13 | Adult/M | Yes | Outdoor | NI | NS, C | N/N | NA |
| FSCMi-024 | 2023 Nov 24 | Adult/M | Yes | Outdoor | NI | NS | ND, Sporothrix sp. | S. brasiliensis, 247479 | |
| FSCMi-025§ | 2023 Nov 13 | Adult/M | Yes | Outdoor | NI | NS | N, Sporothrix sp. | S. brasiliensis, 247478 | |
| FSCMi-019 |
2023 Nov 13 |
Adult/F |
Yes |
Outdoor |
NI |
NS |
N/N |
||
| 3 |
FSCMi-021 |
2023 Nov 16 |
Adult/F |
No |
Indoor |
Localized, head |
NS, LS |
Yeast, Sporothrix sp. |
NC |
| 4 |
FSCMi-023 |
2023 Nov 24 |
Adult/M |
Yes |
Outdoor |
Multiple, head, dorsum, and extremities |
NS, LS |
ND, Sporothrix sp. |
S. brasiliensis, 247481 |
| 5 |
FSCMi-026 |
2023 Nov 24 |
Adult/M |
Yes |
Feral |
Localized, head |
NS, LS |
ND, Sporothrix sp. |
S. brasiliensis, 247480 |
| 6 | FSCMi-031 | 2023 Dec 20 | Kitten/M | No | Outdoor | NI | NS | N/N | NA |
| FSCMi-032 | 2023 Dec 20 | Juvenile/? | No | Outdoor | NI | NS | N/N | NA | |
| FSCMi-033 |
2023 Dec 20 |
Kitten/M |
No |
Outdoor |
NI |
NS |
N/N |
NA |
|
| 7 | FSCMi-034 | 2023 Dec 20 | Adult/M | Yes | Outdoor | NI | NS | N/N | NA |
| FSCMi-035 | 2023 Dec 20 | Adult/M | Yes | Outdoor | NI | NS | N/N | NA | |
| FSCMi-036 | 2023 Dec 20 | Adult/M | Yes | Outdoor | NI | NS | N/N | NA | |
| FSCMi-037 |
2023 Dec 20 |
Adult/F |
Yes |
Outdoor |
NI |
NS |
N/N |
NA |
|
| 8 |
FSCMi-038 |
2023 Dec 20 |
Juvenile/F |
Yes |
Outdoor |
NI |
NS |
N/N |
NA |
| 9 |
FSCMi-040 |
2024 Jan 10 |
Juvenile/F |
No |
Feral |
Multiple, head and extremities |
NS, LS |
Yeast, Sporothrix sp. |
NC |
| 10 | FSCMi-041 | 2024 Jan 15 | Adult/M | Yes | Outdoor | Multiple, head, dorsum, and extremities | NS, LS | Yeast, Sporothrix sp. | S. brasiliensis, 247599 |
| FSCMi-043 |
2024 Jan 22 |
Adult/M |
Yes |
Outdoor |
Multiple, head and extremities |
NS, LS |
Yeast, Sporothrix sp. |
S. brasiliensis, 247600 |
|
| 11 |
FSCMi-042‡ |
2024 Jan 15 |
Juvenile/F |
No |
Outdoor |
Alopecia |
NS, LS |
ND, Microsporum canis |
NA |
| 12 | FSCMi-049 | 2024 Feb 28 | Senior/M | Yes | Outdoor | Multiple, head, dorsum, and extremities | NS, LS | Yeast, Sporothrix sp. | S. brasiliensis, 247735 |
*C, claw; DE, direct examination of the sample with Giemsa staining; HH, household; LS, lesion swab; N, negative; NA, not applicable; NC, inconclusive because of mold and bacterial contamination; ND, not determined; NI, no injuries; NS, nasal swab specimen; ?, unknown. †Habitation: indoor, cats kept exclusively indoors or in enclosed spaces without outdoor access; outdoor, cats with free access to roam outdoors, including streets, neighboring properties, or vacant lots; feral, cats living in the wild with minimal or no human interaction. ‡Dog bites and diagnosis of dermatophytosis. §The cat had frequent sneezing.