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Other thoughts:
As far as the cough in your elbow, I still disagree. Teaching children to do so, means they will as adults and spread even more germs as adults. We all know children touch everything, but we also all know if you have children, they are bringing germs home.
I, personally, do not touch any outside doorknobs to bathrooms, if I cannot enter freely or without kicking it, I use a tissue I have or just don't go. I wait. Fortunately, at work it is a sliding door, so I don't have to touch until I get in there and grab a paper towel if I need to go, or just wash my hands with the door open if I do not need to go. I do not touch public door knobs without a barrier of at least tissue.
I also know that when I worked in restaurants and touching peoples glasses, plates, silverware, and where they sat, I did not get sick. Guess the more I was exposed a little at a time, the more I built up a tolerance.
Some people cannot call in sick to work. It is not allowed, if you do even with a note, there can be consequences. When your bosses come in sick, you are expected to also. In fact, you probably got it from them. The bosses can decide if you seem sick enough to go home, note from a doctor or not. It is a fact. Wish the benefits of "personal days" or "sick days" spread to all, but they don't. Then there are those that cannot afford to go get a doctor note even if it is allowed.
Don't know what to say or think, but it is flu season. I did notice that DD lives in the Mid-West, I live on the East coast. It hit Nebraska a few months before it did here. Are the viruses simply living in the air and travel in that manner?