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Old 01-05-2022 | 10:55 AM
  #18  
Smooth at FL450
weekends off? Nope...
 
Joined: Apr 2014
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Originally Posted by at6d
Natural immunity to which strain?

Im assuming you’ve had Influenza more than once.
Great point. I'm not the one hanging my hat on the natural immunity argument. But many are...
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