Volume 24, Number 1—January 2018
Research
Characterization of a Feline Influenza A(H7N2) Virus
Table 2
Virus titers in organs of ferrets and cats infected with A/feline/NY/16 or A/chicken/NY/99 influenza viruses*
Species |
Virus |
Days postinfection |
Animal ID no. |
Virus titers in organs of infected animals (log10(PFU/g)) | |||||
---|---|---|---|---|---|---|---|---|---|
Nasal turbinates |
Trachea |
Lung |
Small intestine |
Colon |
Other organs† |
||||
Ferret | A/feline/NY/16 | 3 | 1 | 4.4 | 3.3 | 4.7 | – | – | – |
2 | 5.2 | – | 2.4 | – | – | – | |||
3 |
5.4 |
– |
– |
– |
– |
– |
|||
6 | 4 | 3.1 | – | – | – | – | – | ||
5 | 5.8 | – | – | – | – | – | |||
6 |
6.0 |
– |
– |
– |
– |
– |
|||
A/chicken/NY/99 | 3 | 7 | 5.9 | 3.3 | – | – | – | – | |
8 | 6.0 | – | – | – | – | – | |||
9 |
6.6 |
3.4 |
– |
– |
– |
– |
|||
6 | 10 | 4.2 | – | – | – | – | – | ||
11 | 4.5 | – | 5.7 | – | – | – | |||
12 |
4.4 |
– |
– |
– |
– |
– |
|||
Cat | A/feline/ NY/16 | 3 | 1 | 3.9 | 4.8 | – | – | – | – |
2 | 4.1 | 6.6 | 5.8 | – | – | – | |||
3 |
6.9 |
7.0 |
5.8 |
– |
– |
– |
|||
6 | 4 | 6.3 | 6.2 | 6.1 | – | 2.3 | – | ||
5 | 7.7 | 7.8 | 4.7 | – | – | – | |||
6 |
5.9 |
6.2 |
6.7 |
3.8 |
– |
– |
|||
A/chicken/NY/99 | 3 | 7 | 6.4 | 5.8 | 3.9 | – | – | – | |
8 | 2.0 | – | – | – | – | – | |||
9 |
6.1 |
– |
– |
4.9 |
– |
– |
|||
6 | 10 | 6.4 | – | 5.0 | – | – | – | ||
11 | 4.6 | – | – | – | – | – | |||
12 | 6.7 | 4.0 | – | – | – | – |
*–, no virus detected.
†Brain, spleen, kidneys, liver, and pancreas.
1These authors contributed equally to this article.