The so-called week-old dogs refer to dogs that will develop serious physical conditions or even die within 7 days of being bought. Most of these dogs are unhealthy. However, in order to make money, unscrupulous dog dealers inject drugs into the dogs to make them look normal for a short period of time. However, problems usually occur after a week.

This kind of dog generally carries viruses (mainly parvovirus, canine distemper, and coronavirus), but when encountering environmental Changes, the resistance decreases after stress, the virus takes advantage of the weakness, and then you are infected.