Explain the reason there are still some cases of polio in the united states.

1).  The vaccine is not 100% effective.

2).  There are still people who don't allow their children to be vaccinated.  (They don't understand why this is child abuse.)

if your boyfriend is cheating on you, my best advice to you is to dump him, he's only going to drag you down. and if you do, don't fret there's plenty better that know how to treat a person right. i mean honestly, the whole point of a romantic relationship is love, and if you love someone you aren't going to cheat on them. i do believe in second chances, but why would he cheat in the first place? i personally feel that if someone cheats, they ruin any chance they wanted/had with you. i wish you the best of luck with this, hang in there.

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if wrong le tme knwo