| resurgence of canine parvovirus 2a strain in the domestic dog population from argentina. | ninety-three rectal swab samples were taken, from dogs suspected of canine parvovirus (cpv) infection and analyzed by pcr. a fragment of the vp2 gene, was amplified in 41 (44%) of them, resulting cpv positive samples. sequencing analysis of these pcr products showed that 37 samples (90.2%) belonged to the cpv2c type, whereas four samples (9.8%) were identified as cpv2a, which has not been found since 2008. it was also found that 24 out of 37 cpv2c samples (65%), carried the mutation thr440ala, w ... | 2015 | 26115608 |