Two lines on the FPV test paper do not necessarily mean cat plague. Feline distemper test paper is mainly used to detect whether cats are infected with feline distemper virus, but the test results of the test paper may be affected by a variety of factors, including the quality of the test paper, operation method, sampling time, etc. Therefore, even if the test paper results show two lines, it cannot be concluded that the cat must have feline distemper based on this result alone.

If the cat shows symptoms such as loss of appetite, depression, vomiting, diarrhea, bloody stools, etc., and the cat If the test result of the plague test board is positive, then it can be initially suspected to be cat plague. However, a combination of other clinical examinations and laboratory test results is usually required to confirm the diagnosis.