How can I avoid getting sick?

My roommates (they are a couple, we'll call her A and him, B) are both at home sick today. It seems they are always sick every couple of months. They were both sick with bronchitis and various infections for 2 whole weeks in January, and I did a very good job of preventing, and not contracting what they had. I have not been sick since last August. I have felt like I was getting sick a few times after that, but always took my medicine, vitamin C, and slept it off with no problem. It seems to start with B, then it spreads to A. "B" rides his bike to work, plays a sport 1x a wk, but doesn't eat healthy at all, stays up late at night and gets no sleep- basically he doesn't really take care of himself. "A" doesn't get regular excercise, doesn't eat healthy either, but she is a teacher. She could have contracted something around students, then passed it to B, but like I said, it always seems to start with B! B only works with 2 other ppl. What could be causing this frequent sickness?

I'm getting tired of worrying about getting sick and contracting what they have, ugh! I don't understand how frequently they get sick...

Well B is in public places alot more than A being that he rides his bike to work and plays sports. He is coming in contact with lots of others bodily fluids. A works in a school and I'm sure by now she has built up an immunity to the pretty common germs children carry. She may carry the germs and pass them to him but his immune system is different so it takes on the body in different ways. Whatever you did before obviously worked so do it every time. Frequently wipe down common areas and wash your hands. Ask them to try and keep themselves at a distance and maybe take a daily vitamin!

some people get sick. i'm sure it's not intentional.

wash your hands and take vit C. if you're super worried - move out.

Get some Lysol spray and spray all the common areas like crazy (phone, light switches, door knobs, etc.). Wash your hands often and use antibacterial hand sanitizers. You could also wear a mask if you're really that paranoid. Oh, and take lots of Vitamin C and stay away from them as much as possible.

Prevention begins with basic hygiene:

Approach hand washing as a survival skill, which it is.
Never touch your mouth, nose, or eyes without washing your hands.
Teach your kids not to share, as in guzzling milk from the carton or double dipping chips.
Family members should cover their mouths with a tissue when they cough or sneeze, and dispose of the tissue themselves.
You should also avoid sharing personal items like toiletries, towels, and pillows.
It seems ironic to say that staying in good health is one of the best ways to keep from getting sick. But it's true, says Miller. "For example, about one-fourth of all kids test positive for strep without being sick themselves. If you're ill with something else and your resistance is down, you could get strep throat. Getting proper rest and good nutrition can help improve resistance."
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Hand Washing, Hand Washing, Hand Washing
Frequent hand washing is the single most effective way to prevent catching a communicable disease. Guidelines from the CDC recommend washing:

Before and after you prepare food
Before you eat
After you use the bathroom
After handling animals or animal waste
After coughing or sneezing
When your hands are dirty
More frequently if someone in your home is sick
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Use a commercial disinfectant on all of the following:

Phones
Remote controls
Microwaves and refrigerator handles
Door handles
Toilet seats and handles
Faucets
Light switches
Toys
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Unhealthy eating habits, lack of exercise, drugs, alcohol, smoking, ect. are all contributing factors in acquiring sickness. For more information on this, see:http://en.wikipedia.org/wiki/Infectious_...

Best of luck.
V

wash you hands frequently. drink lots of orange juice and avoid your roomies if you can.

submerge your body in iodine, have your blood cleaned and recirculated into your body and live in a plastic bubble protecting you from the rest of the microbial world... People spread germs to each other no matter what...wash your hands more often and keep em out of your face may delay the process...