Infectious diseases are diseases caused by microorganisms such as viruses, bacteria, protozoa or fungi, which can be present in the body without causing damage to the body. However, if the immune system changes and another clinical condition, these microorganisms can proliferate, cause disease and facilitate the entry of other microorganisms.
Infectious diseases can be contracted through direct contact with the infectious agent or through the person’s exposure to contaminated food or water, as well as through respiratory, sexual or animal-related injuries. Infectious diseases can often also be transmitted from person to person, called infectious diseases.
- Infectious diseases can be caused by viruses.
- Fungi.
- Bacteria or parasites and.
- Depending on the infectious agent.
- Can cause diseases with specific symptoms.
- Major infectious diseases include:.
According to the microorganism responsible for the disease, there are characteristic signs and symptoms of the disease, the most common being headache, fever, nausea, weakness, nausea and fatigue, especially in the early stages of the infectious process. However, depending on the disease, more severe symptoms may occur, such as enlarged liver, neck stiffness, seizures and coma, for example.
In order for the diagnosis to be made, it is important to pay attention to the signs and symptoms presented by the person and to see the doctor for laboratory and imaging tests so that it is possible to identify the agent responsible for the infection and, therefore, to be the most appropriate treatment.
Microorganisms can be found in several places, especially during a pandemic, so it is important and necessary to learn how to protect against disease, so it is recommended to:
In addition, it is important to regularly take pets to the veterinarian and keep their vaccines up to date, as pets can be reservoirs of certain microorganisms and pass them on to their owners.
Watch the video below and learn how to wash your hands: