How come vaccine shots don't always prevent U from getting allergies or the flu?!
Question: How come vaccine shots don't always prevent U from getting allergies or the flu.?
Answers:
Allergies fall into a completely different catagory than viruses.
also, when you say flu do you mean flu shots.?
If so, the reason that people still get the flu after receiving the flu shot is because you are being injected with something similar to last years flu virus. Viruses get stronger and change every single year so you are never receiving a shot for the current strain.Health Question & Answer
also, when you say flu do you mean flu shots.?
If so, the reason that people still get the flu after receiving the flu shot is because you are being injected with something similar to last years flu virus. Viruses get stronger and change every single year so you are never receiving a shot for the current strain.Health Question & Answer
Vaccines only prevent a specific disease. Flu viruses mutate constantly, and allergies aren't even a disease. Makes them hard to vaccinate against.Health Question & Answer