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.
CANINE DISTEMPER VACCINE. Canine distemper vaccine is a combination vaccine that includes up to five different vaccines. Canine distemper virus is the first vaccine included in the distemper vaccine. Other vaccines are: adenovirus, parvovirus, parainfluenza and sometimes leptospirosis.ANINE DISTEMPER VACCINE. Canine distemper vaccine is a combination vaccine that includes up to five different vaccines. Canine distemper virus is the first vaccine included in the distemper vaccine. Other vaccines are: adenovirus, parvovirus, parainfluenza and sometimes leptospirosis.