What is a infectious disease definition?
Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They’re normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person.
What is the difference between a disease and an infectious disease quizlet?
Infection, often the first step, occurs when bacteria, viruses or other microbes that cause disease enter your body and begin to multiply. Disease occurs when the cells in your body are damaged — as a result of the infection — and signs and symptoms of an illness appear.
What is infectious diseases Wikipedia?
Infectious diseases are diseases caused by biological agents, which can be transmitted to others, rather than by genetic, physical or chemical agents. This definition includes disease caused by viruses, bacteria, parasites, fungi and prions.
Why is determining how a disease spreads important?
If you can determine how a disease is spread, it is much easier to control and stop transmission of the disease.
Which are the infectious diseases?
Protect yourself and your family from preventable infectious…
- Coronaviruses.
- Diphtheria.
- Ebola.
- Flu (Influenza)
- Hepatitis.
- Hib Disease.
- HIV/AIDS.
- HPV (Human Papillomavirus)
What best defines an infectious disease?
Infectious disease (or communicable disease) is defined as an illness caused by a specific infectious agent or its toxic product that results from transmission of that agent or its products from an infected person, animal, or reservoir to a susceptible host, either directly or indirectly through an intermediate plant …
What is the difference between an infectious disease and a lifestyle disease?
Lifestyle is formed in specific geographical, economic, political, cultural and religious context and influenced by them [10]. On the other hand, Infections are one of the major problems in the world today with an estimated one billion people living with one or more infections .
What is the infection?
(in-FEK-shun) The invasion and growth of germs in the body. The germs may be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it. An infection can cause fever and other health problems, depending on where it occurs in the body.
What are infectious diseases called?
List
| Infectious agent | Common name | Vaccine(s) |
|---|---|---|
| Plasmodium species | Malaria | Yes |
| Marburg virus | Marburg hemorrhagic fever (MHF) | Under research |
| Measles virus | Measles | Yes |
| Middle East respiratory syndrome coronavirus | Middle East respiratory syndrome (MERS) | Under research |
What is infectious disease examples?
Infectious diseases are diseases caused by living organisms like viruses and bacteria. Described as contagious, they can be passed from person to person through body secretions, insects or other means. Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B.
What are the stages of infectious disease?
The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2).
What is the prodromal period of an infectious disease?
The prodromal stage refers to the period after incubation and before the characteristic symptoms of infection occur. People can also transmit infections during the prodromal stage. During this stage, the infectious agent continues replicating, which triggers the body’s immune response and mild, nonspecific symptoms.