TABLE 4.
% (and proportion) of PCR positivity | ||||||
---|---|---|---|---|---|---|
Clinical signs/lesions | Production phase | Tested samples | Diseased animals | Healthy animals | Country | Reference |
Neurological signs | Suckling | Tissue pool | 100.0% (1/1)* | NI | USA | Phan et al., 2016 |
Congenital tremors | Suckling | Brain | 100.0% (7/7) | NI | China | Chen et al., 2017 |
Congenital tremors, neurological signs in piglets after birth and multisystemic inflammation/non‐suppurative encephalomyelitis | Suckling | Brain, other tissues | 100.0% (3/3) | NI | UK | Williamson et al., 2021 |
Tremors, weak‐born neonatal piglets/myocarditis, encephalitis, gliosis and lymphocytic perivascular cuffing | Suckling | Brain, other tissues | 100.0% (2/2) | NI | USA | Arruda et al., 2019 |
*NGS results.
NA: non‐available information in the published manuscript; NI: not included in the published manuscript.