Volume 22, Number 7—July 2016
Dispatch
Clinical Manifestations of Senecavirus A Infection in Neonatal Pigs, Brazil, 2015
Table 2
Distribution of nucleic acid and antigens of Senecavirus A in 1–5-day-old piglets, Brazil, 2015*
Farm, piglet no. | Identification of Senecavirus A |
||
---|---|---|---|
Organs | RT-PCR | IHC | |
A | |||
1 | Tongue | + | + |
Gingiva | +† | + | |
Ruptured cutaneous vesicle (thorax) | + | – | |
Coronary band ulcerations | + | ND | |
Myocardium | +† | – | |
Lung | + | – | |
Liver | – | – | |
Renal pelvis | +† | + | |
Cerebrum | – | +§ | |
Cerebellum | + | – | |
Brainstem | – | – | |
2 | Tongue | + | + |
Myocardium | +†,‡ | – | |
Lung | + | – | |
Liver | + | – | |
Renal pelvis | +† | + | |
Cerebrum | – | +§ | |
Cerebellum | + | – | |
Brainstem |
+ |
– |
|
B | |||
3 | Tongue | + | + |
Coronary band ulceration | + | ND | |
Myocardium | +† | – | |
Lung | + | – | |
Liver | + | – | |
Renal pelvis | +† | + | |
Brain | – | + | |
Cerebellum | + | – | |
Brainstem | + | – | |
4 | Tongue | + | + |
Gingiva | +† | + | |
Myocardium | +† | – | |
Lung | + | – | |
Liver | + | – | |
Renal pelvis | +†,‡ | + | |
Cerebrum | + | +§ | |
Cerebellum | + | – | |
Brainstem |
+† |
– |
|
C, 5 | Myocardium | + | – |
Lung | +†,‡ | – | |
Liver | – | – | |
Small intestine with fecal content |
+ |
+ |
|
D, 6 |
Small intestine with fecal content |
+†,‡ |
+ |
E | |||
7 | Myocardium | – | – |
Lung | – | – | |
Spleen | +† | – | |
Renal pelvis | – | + | |
Urinary bladder | + | + | |
Small intestine with fecal content | – | – | |
Cerebrum | – | +§ | |
Cerebellum | – | – | |
Brainstem | – | – | |
8 | Myocardium | + | – |
Lung | +† | – | |
Spleen | + | – | |
Renal pelvis | + | + | |
Urinary bladder | + | + | |
Small intestine with fecal content | – | – | |
Cerebrum | + | +§ | |
Cerebellum | + | – | |
Brainstem | – | – | |
9 | Gingiva | + | + |
Myocardium | + | – | |
Lung | + | – | |
Spleen | + | – | |
Renal pelvis | + | + | |
Urinary bladder | +† | + | |
Small intestine with fecal content | + | – | |
Cerebrum | – | +§ | |
Cerebellum | – | – | |
Brainstem | + | – | |
10 | Tongue | +†,‡ | + |
Gingiva | + | + | |
Myocardium | + | – | |
Lung | + | – | |
Spleen | + | – | |
Renal pelvis | + | + | |
Urinary bladder | + | + | |
Small intestine with fecal content | + | – | |
Cerebrum | + | +§ | |
Cerebellum | + | – | |
Brainstem | – | – |
*IHC, immunohistochemistry; ND, not done; RT-PCR, reverse transcription PCR; +, positive; –, negative.
†Amplicons submitted for sequence analysis.
‡Amplicons representative of each farm in the phylogenetic tree construction.
§Choroid plexus.
1These authors contributed equally to this article.