How long infectious period, influenza, chicken pox and other diseases

It is useful to know not to pick up an infection or infecting loved ones, if they themselves are sick.

Here are the data for various infectious diseases, which leads the National Health Service of Great Britain.

Bronchitis

It all depends on the cause of bronchitis. Most often it develops due to the same viruses that cause the common cold and flu. Therefore, you can infect others while you have symptoms of these diseases.

Cold

She can infect others for a few days before the onset of symptoms and before their complete disappearance. Usually it is about two weeks. Symptoms are expressed most sharply in the first two or three days disease. It was at this time the risk of infecting others is particularly high.

Flu

Flu most contagious for three to seven days after symptoms appear. Children and people with lowered immunity contagious period can last for a few days longer.

Chickenpox

She already contagious for a day or two before the rash appears. And infectious period lasts until all the blisters are not covered with a crust. This usually occurs after five to six days after the first appearance of the rash.

Infectious mononucleosis

This acute viral disease that can be transmitted during the incubation period. He continues with the virus entering the body before the first symptoms. In the case of mononucleosis is from two to four weeks.

In some people, the virus persists in the saliva for several months after recovery. And sometimes he periodically appears in the saliva for several years.

Measles

symptoms measles It appears approximately 10 days after infection. It is particularly contagious after the first symptoms, but before the appearance of the rash.

The first symptoms of measles - fever, redness of the eye, sensitivity to light, cold symptoms (runny nose, watery eyes, swollen eyelids). After two to four days a rash appears as a red-brown spots. They usually take place in about a week.

Piggy

When pig swollen salivary glands located near the ear. Infectious period begins a few days before the onset of symptoms and lasts a few days after recovery.

Rubella

It is contagious a week before the rash appears. After this infectious period lasts for another three or four days. Stay at home for a week after the onset of rash, not to infect others. And try not to contact with pregnant women.

Shingles

Infectious period lasts from the first appearance of the rash until healed until the last bubble. This usually occurs in 10-14 days.