"Infectious Diseases and Their Prevention" Infectious Diseases and Immunity PPT Courseware 6

"Infectious Diseases and Their Prevention" Infectious Diseases and Immunity PPT Courseware 6

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"Infectious Diseases and Their Prevention" Infectious Diseases and Immunity PPT Courseware 6

Why did SARS bring such panic to society at that time?

SARS, or atypical pneumonia, is a highly contagious respiratory infectious disease caused by a mutated coronavirus.

Infectious diseases and their characteristics

What is an infectious disease?

Infectious diseases are diseases caused by pathogens (bacteria, viruses, etc.) and can be transmitted between people, animals and animals, or between people and animals.

Infectious diseases are a general term for many kinds of diseases. Such as measles, scarlet fever, dysentery, typhoid, epidemic cerebrospinal meningitis, Japanese encephalitis, etc. are all infectious diseases.

Organisms such as bacteria, viruses, and parasites that cause infectious diseases are called pathogens.

Study guide

Analyze data---a common way to obtain information

Prerequisite: Read carefully what problem you want to solve.

Skills: The information to solve the problem must be hidden in the materials, and you must dig out the key words with a keen eye.

Method: independent inquiry + group cooperation

Apply what you learn

1. In a certain family, the elder brother contracted influenza and passed it on to his younger brother, who in turn passed it on to his classmates.

2. After a mosquito bites malaria patient A, it bites patient B again, and patient B also suffers from malaria.

Please analyze:

1. The source of infection that caused my brother’s illness is ( )

2. Before the younger brother was infected, he was ( )

3. The main route of influenza transmission is ( )

4. Mosquitoes play a role in the spread of malaria ( )

1. Which of the following diseases are all infectious diseases ( )

A. Stomach disease, atypical pneumonia, tuberculosis

B. Schistosomiasis, neuritis, gonorrhea

C. AIDS, influenza, ascariasis

D. Chickenpox, gastric cancer, mad cow disease

2. When a family member is suffering from hepatitis, in order to cut off the transmission route, they should ( )

A. Isolate and treat the patient thoroughly B. Disinfect the patient’s tableware

C. Don’t spit D. Get rid of blood-sucking insects

3. Vaccination is one of the measures to prevent infectious diseases ( )

A. Control the source of infection B. Protect susceptible groups

C. Cut off the transmission channels D. Control the transmission media

4. A large number of "four pests" are eliminated. From the analysis of measures to prevent infectious diseases, it belongs to ()

A. Control the source of infection B. Protect susceptible groups

C. Cut off the transmission route D. None of the above

after class homework:

Complete a biology newsletter

Spring is the season when infectious diseases occur most frequently, so what infectious diseases are most likely to occur in spring? How to prevent it? Please collect relevant information, create a biology tabloid, and do a good job of publicity in classes, schools and other places.

In-person testing

Among those who are in contact with HIV-infected or patients, those most likely to be contaminated by the virus are related medical staff and special law enforcement public security personnel. This is called occupational exposure to AIDS. Experts point out that occupationally exposed persons should not be too nervous if something happens to them. While waiting for the experts to arrive, you can immediately wash the infected area with soap and tap water, and then rub it with disinfectant, because the resistance of HIV outside the body is weak.

AIDS belongs to __________ (fill in the type of infectious disease). Occupational exposure persons belong to __________ (fill in a certain aspect of the epidemic of infectious diseases). Why does HIV not survive outside the human body easily?

________________.

What are the three ways that AIDS is transmitted?

_____,____,_____.

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"Infectious Diseases and Their Prevention" PPT Free Download The Epidemic of Infectious Diseases In 1348, a major outbreak of plague occurred in Europe. In just 5 years, the European population decreased by nearly 1/2. In 1918, the global influenza outbreak caused 20 million deaths, including 500,000 deaths in the United States.

"Infectious Diseases and Their Prevention" PPT download:

"Infectious Diseases and Their Prevention" PPT download article source "Political Science Research" 2003 Issue 3 At the end of 2002, SARS appeared in Guangdong Province and spread rapidly to other parts of my country in the following months, developing into a pandemic More serious natural disasters. In some parts...

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"Infectious Diseases and their Prevention" PPT Epidemic Characteristics of Infectious Diseases in Schools (1), Highly Prone to Occurrence Schools are places where people are highly concentrated, and people are in close contact with each other; if the health facilities are not good, the health system is not perfect, and the health habits are not good Okay, this is where infectious diseases are...

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