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After the outbreak of influenza A (H1N1) in Mexico, it soon spread to many countries. In May, Quanzhou also confirmed the first case of Type A H

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After the outbreak of influenza A (H1N1) in Mexico, it soon spread to many countries. In May, Quanzhou also confirmed its first case of influenza A (H1N1). The disease is a respiratory infectious disease caused by influenza A virus, which is a zoonosis. It is mainly transmitted through the cough or sneeze of the infected person, or through the contact of fingers with eyes, nose and mouth. (6 points)

(1) Compared with non communicable diseases, influenza A (H1N1) is infectious.

⑵ According to the analysis of the three links of the epidemic of infectious diseases, the patients with influenza A (H1N1) belong to.

⑶ From the three measures of infectious disease prevention, cover your mouth and nose when sneezing and wash your hands frequently to cut off.

⑷ From the perspective of immunology, the development and use of vaccines will greatly reduce the prevalence of influenza A (H1N1). The reason is that after the vaccine is injected, the body will produce corresponding (fill in "antigen" or "antibody"), so as to play the immune role of the body and achieve the purpose of protection.

Best answer:

(1) Prevalence (2) Source of infection (3) Route of transmission (4) Antibody specific susceptible population

Answer analysis:

(1) Infectious diseases are epidemic and infectious.

(2) There are three links in the epidemic of infectious diseases: source of infection, route of transmission, and susceptible population. Influenza A (H1N1) patients belong to the source of infection

(3) When sneezing, cover your mouth and nose, wash your hands frequently, open windows for ventilation, strengthen health management, develop good health habits (do not spit everywhere, pay attention to the way of sneezing), and maintain environmental health is to prevent infectious diseases from cutting off the transmission path;

(4) When pathogens (such as viruses and germs) enter the human body, they stimulate lymphocytes to produce a special protein against the pathogen, called antibodies. The so-called susceptible population refers to people who lack immunity to certain infectious diseases and are easy to infect the disease. Therefore, the vaccine is injected by susceptible people, and substances (such as pathogens and other foreign bodies) that cause the body to produce antibodies It is called antigen. Vaccine injected is equivalent to antigen, and the special protein produced in the body to resist the virus belongs to antibody. This immunity is produced after human birth, and can only act on type A H1N1 virus, so it belongs to specific immunity

Comment: The knowledge of infectious diseases is often related to the knowledge of immunization, so the two parts of knowledge should be combined to learn and flexibly mastered

Test core:

Infectious disease: a disease caused by a pathogen that can spread between people or between people and animals is called infectious disease. Pathogens include viruses, bacteria, fungi, parasites, etc. Infectious diseases are infectious and epidemic.

I have looked back 2024-06-21 14:03:26

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No source.
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