a virus neutralization test <*> was established
that the infection of CCV in giant panda population was universal ,
In order to survey the infectious situation of canine coronavirus ( CCV ) in giant panda population , a virus neutralization test detecting specific antibodies against CCV in giant panda 's sera was established by using two - fold dilutions of serum and 100 TCIDso of the virus .
The results of study showed that the infection of CCV in giant panda population was universal , which has posed a threat to the health of giant panda .