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Discussion Starter · #1 ·
Is it possible to get pertussis more than once?<br>
Is it possible to still be a carrier if you have already had it?<br><br>
Kirsten
 

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yes and yes. You only develop temporary immunity to pertusis - estimates I've seen range from 5-15 years. This is from natural infection..however, as the illness is much less severe in adults, many will have it without knowing it.
 

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SO if you only develop a temporary immunity from actually getting the disease....Then how long does the immunity from the vax last for? considering it is usually not as good as actually having had the disease?
 

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Discussion Starter · #4 ·
so if both my kids had it 1 1/2 years ago (and we did as well), we have immunity for a few more years at least?<br><br>
But we could still be carriers?<br><br>
Kirsten
 

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<div style="margin:20px;margin-top:5px;">
<div class="smallfont" style="margin-bottom:2px;">Quote:</div>
<table border="0" cellpadding="6" cellspacing="0" width="99%"><tr><td class="alt2" style="border:1px inset;">so if both my kids had it 1 1/2 years ago (and we did as well), we have immunity for a few more years at least?</td>
</tr></table></div>
Probably. Most people only have one or two bad cases of pertussis in their lives, since you stay fairly immune for most of your life from frequent re-exposure.<br><div style="margin:20px;margin-top:5px;">
<div class="smallfont" style="margin-bottom:2px;">Quote:</div>
<table border="0" cellpadding="6" cellspacing="0" width="99%"><tr><td class="alt2" style="border:1px inset;">But we could still be carriers?</td>
</tr></table></div>
Probably.<br>
Obviously, right after you have pertussis there's a strong, "complete" immune response that happens, since people in families don't just pass pertussis back and forth among each other for forever.<br>
But that strong, sterilizing immune response does wane pretty fast, although I don't think anyone really knows exactly how fast. Might be after 6 months, might be after 5 years...
 
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