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1、預(yù)防流感,Speaker: Chen jiaMaker: Xue bei Zhao yanling Wang Xiqi,預(yù)防流感,Content,What Is the Flu?,Flu Symptoms,How Flu Works?,Types of Flu,Prevention,預(yù)防流感,What Is the Flu?,First definition Flu is also called the influenza. Its an infection that causes afever, chills, cough, bodyaches,headaches, and sometime
2、s earaches orsinus problems.,預(yù)防流感,What Is the Flu?,Second definition The flu is a respiratory illness caused by the influenza virus. The flu is not the same as a cold, although they share many of the same symptoms. The cold is caused by a different virus, and it tends to have milder symptoms than th
3、e flu . Colds are also less likely to cause serious complications.,預(yù)防流感,Flu Symptoms,1、Cough 2、Sore throat(喉嚨痛) 3、Headaches 4、Muscle or body aches 5、Fever or feeling feverish/chills(發(fā)燒或感覺發(fā)熱/寒戰(zhàn)) 6、Runny or stuffy nose(流鼻涕、鼻塞) 7、Fatigue (tiredness) 8、Some people may have vomiting and diarrhea,預(yù)防流感,Flu
4、 Symptoms,The flu also weakens the immune system, leaving it vulnerable to more serious infections.High-risk individuals in particular are susceptible to serious complications.such as: Bacterial pneumonia(細(xì)菌性肺炎) Dehydration(脫水) Sinus problems and ear infections (primarily in children) 竇問題和耳部感染(主要是兒童
5、) Worsening of preexisting conditions, such as asthma or diabetes(哮喘或糖尿?。?預(yù)防流感,How Flu Works,1.The virus enters the respiratory tract.(呼吸道) 2.After entering the respiratory tract , the virus starts to replicate itself. The respiratory tract becomes swollen and inflamed. 3. Once inside the respirator
6、y system , the virus enters the bloodstream . the first symptoms(cough) begin to show.,預(yù)防流感,Flu and the Common Cold,The flu and the common cold have similar symptoms. It can be difficult to tell the difference between them. In general, the flu is worse than the common cold, the flu tends to be more
7、severe and usually comes on suddenly, at times it can lead to death. Learning whether it is a cold or flu is important because the flu can have serious complications such as pneumonia (急性肺炎)or even death. Treating flu within 48 hours of symptoms is best. Prescription antiviral drugs may cut the time
8、 youre sick.,預(yù)防流感,Types of Flu,There are three types of flu viruses: A, B, and C.,Influenza A can infect a range of mammals and birds as well as humans, while types B and C infect mainly humans.,預(yù)防流感,H1N1 Influenza (Swine Flu),H1N1 influenza is a type of influenza A. It is known as swine flu because
9、 it primarily infects pigs. Transmission to humans is uncommon, but it can occur if humans come into contact with infected pigs or with environments contaminated by the virus. An infected human can then spread the disease to other humans.,預(yù)防流感,Although it also circulates in pigs, you cannot get it b
10、y eating properly handled and cooked pork or pork products. The best way to prevent the H1N1 flu is to get the seasonal flu vaccine. You should also follow our advise to keep yourself healthy during flu season.,H1N1 Influenza (Swine Flu),預(yù)防流感,H5N1 Bird Flu,The avian influenza virus, or bird flu, occ
11、urs naturally in wild birds, but does not make them sick. Because the virus is very contagious among birds, avian influenza virus can be deadly if transmitted to domesticated birds. Human infections are caused by transmission of the Influenza A virus from infected birds to humans.,預(yù)防流感,H5N1 Bird Flu
12、,Although H5N1 does not usually infect humans, nearly 650 cases of human cases of H5N1 have been reported from 15 countries since 2003.,預(yù)防流感,Fever and cough Acute respiratory distress Shortness of breath/difficulty breathing Abdominal pain Diarrhea,Symptoms,預(yù)防流感,How can we prevent highly pathogenic
13、H5N1 virus infection?,The best way to prevent infection is to avoid any contact with sick or dead poultry. This includes avoiding visiting live poultry markets that may be infected with H5N1 when traveling. Also avoid sick people who might have H5N1 virus infection in affected countries.,預(yù)防流感,H7N9 i
14、s a new type of bird flu, avian flu discovered in Shanghai and anhui first at the end of march in 2013 .,Fighting Against H7N9 Bird Flu,we had successfully developed the vaccine for the H7N9 bird flu virus, after the flu strain had left more than 130 people infected, with 45 fatalities reported.,預(yù)防流
15、感,Vaccination is the best way to protect yourself from the flu. There are additional steps you can take to keep yourself and your family healthy this flu season.,Prevention,預(yù)防流感,VACCINATED Everyone 6 months of age and older should get vaccinated against the flu.,TAKE PRECAUTIONS Take everyday precau
16、tions, like washing your hands, to protect your health.,ANTIVIRAL MEDICATIONS If you are exposed to or caring for someone with the flu, talk to your doctor about preventive antiviral medications.,Prevention,預(yù)防流感,There are steps you can take in your daily life to help protect you from getting the flu. 1.Wash your hands often with soap and water or an alcohol-based hand rub. 2.Avoid touching your eyes, nose, or mouth. Germs spread this way. 3.Try to avoid close contact with sick people.,Prevention,預(yù)防流感,5.Pra
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