First 2-4 days after onset of symptoms.
First 2-4 days after onset of symptoms.
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.
First 2-4 days after onset of symptoms.
Cold Contagious was created on 1997-12-20.
No, all cold viruses are contagious.
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.
The CDC are called in when there is an outbreak of any contagious disease that may become a pandemic and put the population at risk. They have been responsible for researching many new diseases and respond to public health threats - particularly influenza which is known to be highly contagious.
Cold sores are very contagious.
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.
If you have a phlem productive cough, then it is contagious. Learned that working on the ambulance.
Yes, you can get sick from a hamster as long as it has something contagious (like a cold, flu, etc).