What are the four things you need to know to avoid colds?
Answer:
1. Up to 100 times as many viruses are produced and shed from the nasal mucosa as from the throat
2. Few viruses are in the saliva of a person with a cold
3.Dried viruses survive on dry skin and non-porous surfaces for over 3 hours
4. Most cold viruses enter the body via nostrils or eyes
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.