Can I give my puppy just the parvovirus vaccine that came with the adenovirus type 2 parainfluenza modified live virus canine spectra 5 since the parainfluenza one was broke and nothing inside, my puppy is about 6-7 mos old chihuahua and has been sick for a day or two now, wont eat or drink, not lethargy though, but I have given her some pepto what I could get in her.