Quote Originally Posted by rolymiller View Post
Depends frog. Apparently the Kent version is now prevalent up here. When we first had the bug it was a different version. The kent one is more virulent by all accounts as well. Then of course there are other sttrains. Could they have picked up the South African or Brazilian bug on their travels? Or a completely new un even?
It’s more common than most folks think.

Like the flu jab, when you have it they warn that it’s been formulated to fight the strain they are expecting. You can have the jab and still catch flu.

Covid works in a similar manner.