In case you are wondering whether there are any differences between human animals immune system, I would say this question has already been answered when we discussed the “fundamentals” . That time I said there are two types of immunity: innate and acquired immunity. I also said that acquired immunity is a vertebrate’s additional privilege recognizes and destroy specific substances. We are basically talking about an animal receiving another animal's defence mechanisms (antibodies and/or lymphocytes), rather than developing its own. Same as ‘mother and baby” or bone marrow transplants for instance. It is appropriate to mention that there are ongoing researches on animals defense mechanisms and on how the immunity is transferred in the same specie or between different species of animals and how it can be helpful in the treatment and prevention of several diseases as well as organ transplants. I will take a moment to talk about it later as well as dog illness, cat illness.
By now let’s see a little more about animals immune system
“Although there are many potentially harmful pathogens, none of them can invade or attack all organisms because a pathogen's ability to cause harm requires a susceptible victim, and not all organisms are susceptible to the same pathogens. For instance, the virus that causes AIDS in humans does not infect animals such as dogs, cats, and mice. Similarly, humans are not susceptible to the viruses that cause canine distemper, feline leukemia, and mouse pox.” Vertebrates - humans, dogs, cats, horses, cows, etc – they all have the innate and acquired immune system. They may have different organs and cells involved in the role. The overall functioning is very similar but the fact that not all organisms are susceptible to the same pathogens shows us that there are differences to be explored. Species have their characteristic abnormalities of the immune system. I will be mentioning a few examples here such as dog illness, cat illness, etc.
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