Which type of viral hepatitis can be contracted by eating food that has been touched by dirty hands?
Hepatitis A can easily spread from one person to another by putting something in the mouth (even though it may look clean) that has been contaminated with the stool of a person with hepatitis A. This can happen when people do not wash their hands after using the toilet and then touch or prepare other people’s food.
What are six categories of harmful microorganisms?
Microorganims are widespread in nature and are beneficial to life, but some can cause serious harm. They can be divided into six major types: bacteria, archaea, fungi, protozoa, algae, and viruses.
Are white blood cells that eliminate the chances of infection?
The immune system uses white blood cells and antibodies to identify and eliminate organisms that get through the body’s natural barriers. (See also Overview of Infectious Disease.)
What are the four types of infection?
This article will focus on the most common and deadly types of infection: bacterial, viral, fungal, and prion.
What destroys harmful bacteria during infection and inflammation?
White blood cells: Serving as an army against harmful bacteria and viruses, white blood cells search for and attack and destroy germs to keep you healthy. White blood cells are the key part of the immune system. There are many white blood cell types in the immune system.
How does your body fight off disease?
In general, your body fights disease by keeping things out of your body that are foreign. Your primary defense against pathogenic germs are physical barriers like your skin. You also produce pathogen-destroying chemicals, like lysozyme, found on parts of your body without skin, including your tears and mucus membranes.
How do I know if my body is fighting a cold?
The most common symptoms to look out for during this stage of a cold are:
- sore throat.
- cough.
- congestion or runny nose.
- fatigue.
- aches.
- chills or low-grade fever.