If you are exposed to an identical version of the flu that you had previously after you have recovered fully from it the first time, then your body should have developed immunity to all genetically identical kinds of flu and you would not get it a second time. However, the flu can change by mutations and if it does change enough that the immune system no longer sees it as identical, then you would not have immunity to the mutated strain. This is a similar concept to why we need different seasonal flu vaccine every year and why there are no vaccines for the common cold.
You can get the flu twice in one season, but it would not be the same flu virus.
Usually not the same exact one that you had previously, if you are an otherwise healthy person with a healthy immune system.An example is the flu. Influenza is caused by a virus. If you are exposed to an identical version of the flu that you had previously after you have recovered fully from it the first time, then your body should have developed immunity to all genetically identical kinds of flu and you would not get it a second time. However, the flu can change by mutations and if it does change enough that the immune system no longer sees it as identical, then you would not have immunity to the mutated strain. You can get the flu twice, but if the immune system is properly functioning, it would not be the same flu virus.
Yes, depends on your immune system . Everyone says you can't get the same flu twice in a row within 1-2 weeks, and if you get another flu within that time period, and it's the same symptoms but last longer or shorter, it's the SAME, it's just your body's getting it all out so you won't have it again. Until or if it comes in contact with you in a few months or years or if lucky not at all, that's why NO one asks " can you get the flu three times or four times or five times within a ______ amount of time" comen since.!
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