"Infectious Diseases" PPT

"Infectious Diseases" PPT

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"Infectious Diseases" PPT

Part One Content: The Concept of Infectious Diseases

Infectious diseases refer to diseases caused by pathogens (such as bacteria, viruses, parasites, etc.) and can be transmitted between people or between people and animals.

The outstanding characteristics of infectious diseases are that they are contagious and epidemic.

common infectious diseases

There are many types of infectious diseases. According to different transmission routes, they mainly include the following categories:

1. respiratory infectious diseases

2. Gastrointestinal infectious diseases

3. blood infectious diseases

4. Surface infectious diseases

1. Respiratory infectious diseases:

Influenza, diphtheria, whooping cough, scarlet fever, tuberculosis, mumps, measles, epidemic cerebrospinal meningitis, etc.

Occurrence season: winter, spring

The original parasitic site of the pathogen: respiratory mucosa and lungs

Transmission route: drinking water and food

2. Gastrointestinal infectious diseases:

Dysentery, hepatitis, typhoid, poliomyelitis, ascariasis, pinworms, etc.

Occurrence season: summer, autumn

The original parasitic site of the pathogen: the digestive tract and its accessory organs

Transmission route: drinking water and food

3. Blood infectious diseases:

Malaria, Japanese encephalitis, kala-azar, filariasis, hemorrhagic fever, etc.

Occurrence season: all year round

The original parasitic site of the pathogen: blood and lymph

Transmission route: blood-sucking arthropods

4. Infectious diseases on the body surface:

Rabies, anthrax, tetanus, schistosomiasis, trachoma, scabies, acute hemorrhagic conjunctivitis, ringworm, etc.

Occurrence season: all year round

The original parasitic site of the pathogen: skin and body surface mucous membranes

Transmission route: contact transmission

Infectious disease PPT, part 2: three basic links in the epidemic of infectious diseases

1. Source of infection: A source of infection is a person or animal that can spread pathogens.

2. Transmission route: The route by which pathogens leave the source of infection and reach healthy people. The main transmission channels are:

3. Susceptible groups: Susceptible groups refer to people who lack immunity to a certain infectious disease and are susceptible to the disease.

Influenza is a common infectious disease. How do we usually prevent influenza?

The source of influenza infection: classmates who have influenza in the class and some people around them who have influenza.

Control the source of infection: If a student in the class is sick with the flu, he or she can be sent home to recuperate, so that other students will not be easily infected.

Cut off transmission routes: When influenza is prevalent, be sure to open windows frequently for ventilation. You can also sprinkle some vinegar in the classroom to kill germs in the air.

Protect susceptible people: You can get a flu shot in advance or drink some medicine like isatis root to enhance your own resistance.

Infectious Diseases PPT, Part 3: General Measures to Prevent Infectious Diseases

1. Control sources of infection:

"Five Mornings" Early detection, early diagnosis, early reporting, early isolation, early treatment and timely handling of animals suffering from infectious diseases

2. Cut off transmission channels:

Pay attention to personal hygiene and environmental sanitation. Eliminate vector organisms that spread diseases. Carry out necessary disinfection work.

3. Protect the vulnerable:

Stay away from sources of infection; exercise; vaccination

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For more information about the "Infectious Diseases" PPT courseware, please click on the "Infectious Diseases" ppt tab.

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