A person is contagious with a chest cold for about 2 weeks. A doctor can give you medicine to help you get rid of the chest cold.
If you have a phlem productive cough, then it is contagious. Learned that working on the ambulance.
Yes, most chest infections can be contagious.
First 2-4 days after onset of symptoms.
Cold Contagious was created on 1997-12-20.
No, all cold viruses are contagious.
First 2-4 days after onset of symptoms.
First 2-4 days after onset of symptoms.
You are contagious while you have any signs or symptoms of a break out. After the sore has healed wait 4-6 days then you shouldn't be as contagious as you were during a break out.
I think typhoid fever is not a contagious disease like cold and cough. You can get it if salmonella typi enters your bloodstream though food or water.
Every virus is different. Some are infectious for only a couple of days; some are infectious until after your body has been buried. Some may be infectious for longer than that; bodies of the victims of the 1917 influenza strain have recently been exhumed, and were discovered to STILL be dangerous.
no one knows
Cold sores are very contagious.