So a 74xx244 works at a commercial operating temperature, while a 54xx244 which is the same logic device [maybe the same pinout, and package] will continue to operate to the military operating temperature range [which is wider].
A distemper vaccine is more than a preventive against canine distemper virus. This vaccine, considered a core vaccine for all dogs in the United States, also protects against a host of other diseases you may not know your dog is susceptible to. These can include adenovirus, parvovirus, and others.
1 The canine distemper vaccine is typically given in some variation of a combination vaccine that also protects your pet from several other serious diseases, such as parvovirus infection.ypically, the rabies vaccine is administered to pets in a separate injection at the same time as the canine distemper combination vaccine. However, the rabies vaccine can also be given alone (at a separate visit) or at the same time as other vaccines (such as the Lyme disease vaccine).