What is contact infection?

Indirect infection invading the body mainly from the mouth etc. by touching the skin, mucosa such as hands and fingers, things with insufficient disinfection and vomit.

When contact infection occurs

When there are pathogens in door knobs and handles that many people touch.

Pathogen

Here we deal with an example of pathogens (viruses, bacteria, fungi) infected by contact infection.

Measles virus

There are various infection routes. A symptom similar to a cold like fever or cough appears.

Norovirus

Sudden vomiting, diarrhea occurs. Eating something not cooked will cause it.

Methicillin-resistant Staphylococcus aureus（MRSA）

Staphylococcus aureus is a fungus everywhere. There is no problem if there is normal resistance to fungi, but it is severe if resistance is low.

Pseudomonas

Often infected via an instrument, it is susceptible to infection when resistance is decreasing.

Asthma

It develops as a kind of mold called ringworm fungus adheres to bare feet by slippers and mats.

Infectious impetigo

When inflammation occurs, it spreads around as if it sprang up. It is likely to develop in patients with atopic dermatitis.

Wart

It infects wounded skin and makes things like warts.

Polio

Poliovirus increases in the intestine and is transmitted through excreted stool. Paralysis in the limbs.

Whooping cough

It develops many times from spring to summer, and when it becomes severe it can result in death. Six months after birth is easy to become severe.

Varicella virus

It also causes death of newborn babies who develop symptoms of shizzo and shingles, which are prone to severe illness.

Cytomegalovirus

The majority of Japanese are infected for the first time between mothers and children, and even if the mother is slightly injured, the child may be seriously injured.

Herpes simplex

Initially, the infected part turns red, water blister gradually appears, and can cause stomatitis and the like.

EB virus

Infected via saliva, it is said that 95% of the world's population is infected, even if symptoms appear, symptoms are light and continue to latent throughout the lifetime.

Meningitis

Neisseria meningitidis is also found in the nose and throat of healthy people. Shock may die and prompt treatment is indispensable.

 

 

On the next page we will look at "droplet infection".