The answer: both false and true. You won't get the same cold or flu once you have had it, but that doesn't mean you cannot get another strain. There are often multiple types of cold and flu circulating at the same time; it is very possible to have one and then have another. This is also the reason why the flu shot is not 100 percent effective: the flu shot is effective against one strain and there is always the possibility of another strain infecting you.
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How To Improve The Immune System: Your Prevention Solutions
Winter is the time of year when we look for ways how to improve the immune system. Your body is constantly threatened by viruses, infections, and illnesses.
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