Flu should be classified as a disease can be prevented. Many cases of flu that did not have to suffer just because of negligent or may not know how to prevent it. Especially for the elderly, the flu is generally more severe than if they happen to younger people. In addition because their immune systems [...]
There are more than 200 different strains of the cold virus. Most adults develop immunity to the majority of them over time. The symptoms are not caused by the virus itself, but by your body’s defence systems working to rid you of the virus. Colds are easily spread by direct and indirect contact with a cold [...]