Final answer:
Dogs and cats can indeed be given a second Convenia injection if needed, based on the veterinarian's discretion and the individual animal's health needs.
Step-by-step explanation:
True, dogs and cats can be given a second injection of Convenia if needed. Convenia is an antibiotic that veterinarians commonly prescribe for a variety of bacterial infections in cats and dogs. It's important, however, to follow the vet's instructions on dosage and timing of this medication. While human cold viruses cannot find receptors in dogs and cats due to different proteins, this information does not relate directly to the use of antibiotics like Convenia. Instead, Convenia's effectiveness and the decision to administer a second injection depend on factors like the severity of the infection, the response to the initial dose, and the individual animal's health status. Veterinarians will consider these aspects to ensure the safety and well-being of the pet.