Common diseases and their symptoms pdf

Posted on Wednesday, May 19, 2021 12:24:30 AM Posted by Idelia A. - 19.05.2021 and pdf, book pdf 1 Comments

common diseases and their symptoms pdf

File Name: common diseases and their symptoms .zip

Size: 21609Kb

Published: 19.05.2021

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.

Causes and Symptoms of Foodborne Illness

These infectious microscopic organisms are known as pathogens, and they can multiply quickly. Examples of pathogens include:. They can spread in several different ways, including through:. In this article, we explain the different types of infections, how to reduce the risk of infection, and what symptoms they cause. Stay informed with live updates on the current COVID outbreak and visit our coronavirus hub for more advice on prevention and treatment. The immune system is an effective barrier against infectious agents.

A communicable disease is a disease that spreads from one person or animal to another. Pathogens such as viruses, bacteria, and fungi cause these diseases. A communicable disease is any disease that passes between people or animals. A person may develop a communicable disease after becoming infected by the pathogen. This may happen through:. The individual may then begin to experience symptoms. Communicable diseases are usually mild, and symptoms pass after a few days.

Waterborne diseases

Also, visit our coronavirus hub for more information on how to prepare, advice on prevention and treatment, and expert recommendations. Airborne disease can spread when people with certain infections cough, sneeze, or talk, spewing nasal and throat secretions into the air. Some viruses or bacteria take flight and hang in the air or land on other people or surfaces. When you breathe in airborne pathogenic organisms, they take up residence inside you. You can also pick up germs when you touch a surface that harbors them, and then touch your own eyes, nose, or mouth. Keep reading to learn more about the common types of airborne diseases and what you can do to protect yourself from catching them.

What Are Airborne Diseases?

Learn about acute lymphoblastic leukaemia, a cancer of the white blood cells. Around three out of four childhood leukaemia cases are acute lymphoblastic. Learn more about acute myeloid leukaemia, an overproduction of myeloid white blood cells.

Jump to navigation. People with allergies have especially sensitive immune systems that react when they contact allergens. Because there are so many possible causes, the symptoms of allergies vary widely. Airborne allergens, like pollen and pet dander, are likely to cause:. In cases of a more extreme response, called anaphylaxis, symptoms are severe and life-threatening.

Also, visit our coronavirus hub for more information on how to prepare, advice on prevention and treatment, and expert recommendations. Airborne disease can spread when people with certain infections cough, sneeze, or talk, spewing nasal and throat secretions into the air. Some viruses or bacteria take flight and hang in the air or land on other people or surfaces. When you breathe in airborne pathogenic organisms, they take up residence inside you. You can also pick up germs when you touch a surface that harbors them, and then touch your own eyes, nose, or mouth.

Everything you need to know about communicable diseases

Disease , any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from physical injury.

COMMENT 1

  • Foodborne illness is caused by consuming contaminated foods or beverages. Itobeajti - 23.05.2021 at 21:05

LEAVE A COMMENT