Yes. What they uncovered seems to be the fact that after boiling, even a 1-layer, relatively coarse filter (like a coffee filter) will get rid of them. I'd lik

Yes. What they uncovered seems to be the fact that after boiling, even a 1-layer, relatively coarse filter (like a coffee filter) will get rid of them. I'd like to understand if there's an advantage to boiling if I already use a filtered water pitcher (Brita or similar).