Quick Answer: What Are The Four Stages Of Infection?

How do you kill a virus in your body?

Our bodies fight off invading organisms, including viruses, all the time.

Our first line of defense is the skin, mucous, and stomach acid.

If we inhale a virus, mucous traps it and tries to expel it.

If it is swallowed, stomach acid may kill it..

How do you know if your body is fighting an infection?

However, some general symptoms of a bacterial infection include: fever. feeling tired or fatigued. swollen lymph nodes in the neck, armpits, or groin.

What are the 5 stages of illness behavior?

Another sociologist, Edward A. Suchman, formulated illness behavior as con- sisting of five stages: symptom experience, assumption of the sick role, medical care contact, dependent patient, and recovery or rehabilitation (Table 1-1).

What happens during the incubation period?

Incubation period is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent.

What are the 4 types of infectious diseases?

A variety of microorganisms can cause disease. Pathogenic organisms are of five main types: viruses, bacteria, fungi, protozoa, and worms.

What are the 3 methods of infection control?

There are three types of transmission-based precautions: contact, droplet, and airborne. Contact precautions are used in addition to standard precautions when caring for patients with known or suspected diseases that are spread by direct or indirect contact.

What are 5 common types of infectious diseases?

Common Infectious DiseasesChickenpox.Common cold.Diphtheria.E. coli.Giardiasis.HIV/AIDS.Infectious mononucleosis.Influenza (flu)More items…

Is a virus a disease or infection?

Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.

What stage of infection is most communicable?

In some cases, a person is contagious during the incubation period, while in others the person is not contagious until the illness begins. The amount of time a child remains contagious depends on the infection and the child. Young children are often contagious for longer than older children.

What are the four phases of infection and disease?

The periods of disease include the incubation period, the prodromal period, the period of illness, the period of decline, and the period of convalescence. These periods are marked by changes in the number of infectious agents and the severity of signs and symptoms.

What is the process of infection?

Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.

How do viruses leave the body?

Mucus is designed to trap offending viruses, which are efficiently and quickly expelled from the body through coughing and sneezing. Fever—Fevers fight influenza viruses. Because viruses are sensitive to temperature changes and cannot survive above normal body heat, your body uses fever to help destroy them.

What is the leading infectious disease?

Tuberculosis is now the leading infectious disease threat in the world, killing more people than HIV/AIDS, as reported today by the World Health Organization. This should erase any semblance of doubt that we need increased resources and new tools to address the global pandemic.

What are the stages of an infection cycle?

The six links include: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. The way to stop germs from spreading is by interrupting this chain at any link.

What are the 4 main causes of infection?

Infectious diseases can be caused by:Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.Fungi. … Parasites.

What can I expect from an infectious disease doctor?

The role of an infectious disease specialist is to review a patient’s medical data, including records, X-rays and laboratory reports. They may perform a physical examination, depending on the type of problem. Laboratory studies are often necessary and may include blood studies and cultures of wounds or body fluids.

Who is prone to infections?

pregnant women; infants, and young children particularly under age 2; people of any age with certain chronic health conditions (including asthma or lung disease, heart disease, diabetes, kidney disease or some neurological conditions); people with severely compromised immune systems.

What increases the risk of infection?

Having other medical conditions such as diabetes, chronic obstructive pulmonary disease (COPD), autoimmune disease, among others. If you have other medical conditions, ask your doctor if they put you at increased risk for infection. Other factors, such as poor nutrition, stress, or lack of sleep.