Table 1.
Samples used in the study.
| Isolate (influenza type/host/country/strain ID/year) | Date | Location | Swaba | Ct b | Host | Symptoms/age/sex |
|---|---|---|---|---|---|---|
| A/sea lion/Uruguay/P4_6923/2023 | 6 Sep 2023 | Maldonado (Punta del Este) | B | 23.61 | Otaria flavescens | Dead/adult |
| A/sea lion/Uruguay/P5_6923/2023 | 6 Sep 2023 | Canelones (El Pinar) | N | 29.24 | Otaria flavescens | Dead |
| A/sea lion/Uruguay/P6_6923/2023 | 6 Sep 2023 | Canelones (El Pinar) | O | 28.1 | Otaria flavescens | Neurological |
| A/sea lion/Uruguay/P7_6923/2023 | 6 Sep 2023 | Canelones (Médanos de Solymar) | CSF | 28.1 | Otaria flavescens | Dead |
| A/fur seal/Uruguay/P8_8923/2023 | 8 Sep 2023 | Rocha (La Paloma) | OP | 31.5 | Arctocephalus australis | NA |
| A/sea lion/Uruguay/P10_8923/2023 | 8 Sep 2023 | Rocha (Cabo Polonio) | OP/R | 25.1 | Otaria flavescens | NA |
| A/sea lion/Uruguay/P13_11923/2023 | 11 Sep 2023 | Canelones (Atlántida) | N | 22.9 | Otaria flavescens | Dead/M |
| A/sea lion/Uruguay/P14_11923/2023 | 11 Sep 2023 | Canelones (Parque del Plata) | N/R | 23.5 | Otaria flavescens | Dead/M |
| A/sea lion/Uruguay/P15_14923/2023 | 14 Sep 2023 | Isla de Flores | R | 29.3 | Otaria flavescens | Male/juvenile |
| A/tern/Uruguay/P16_14923/2023 | 14 Sep 2023 | Isla de Flores | O/C | 20.2 | Sterna hirundinacea | Dead/M/juvenile |
| A/sea lion/Uruguay/P17_14923/2023 | 14 Sep 2023 | Isla de Lobos | N | 25.5 | Otaria flavescens | Dead |
| A/sea lion/Uruguay/P18_14923/2023 | 14 Sep 2023 | Rocha (Aguas Dulce) | N | 23.8 | Otaria flavescens | Dead/male |
| A/tern/Uruguay/P23_41023/2023 | 4 Oct 2023 | Rocha (Cabo Polonio) | OP/C | 21.7 | Sterna hirundinacea | Neurological |
| A/tern/Uruguay/P24_41023/2023 | 4 Oct 2023 | Rocha (Cabo Polonio) | OP/C | 28.6 | Sterna hirundinacea | Dead |
| A/tern/Uruguay/P25_41023/2023 | 4 Oct 2023 | Rocha (Cabo Polonio) | OP | 24.5 | Sterna hirundinacea | Neurological |
| A/fur seal/Uruguay/P26_21023/2023 | 2 Oct 2023 | Rocha (Cabo Polonio) | N | 24.4 | Arctocephalus australis | Dead/adult/F |
a
Types of samples: N: nasal; OP: oropharyngeal; C: cloacal; R: rectal; O: ocular; B; brain; CSF: cerebrospinal fluid.
b
Ct in the real-time reverse transcription PCR for the matrix gene.