They may NOT be 100% effective but even if they're 50-75 % effective and both parties are wearing one it will certainly help. If both parties have one on the chances will be minimal because they won't be breathing all up in each others face..lol.
I can't imagine anyone with asthma even wanting to take a chance of catching it. They're a number one candidate for major health issues with them already having respiratory problems.
Everyone thinks they're the one that can't catch it and they may not be, but many people that they can carry it home to or to other places and transmit it to, may not be so lucky.
People with diabetes and respiratory type illnesses have a very high risk factor for both catching it and a much higher chance of dying from it or having long term heart or respiratory type health issues from it because of damage to their organs. I sure don't want to catch it. I'm healthy and I STILL dont want to take a chance on getting it.
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