回复: 请从中国回来的朋友自行隔离
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What is the difference between seasonal flu and H1N1?
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What is the difference between seasonal flu and H1N1?
Although there are many similarities between the H1N1 virus and the seasonal flu, they are two different strains of influenza. The H1N1 virus was first detected in people in the United States in April 2009. This virus is sometimes called Swine Flu because testing showed that many parts of this virus were similar to the flu viruses usually found in pigs.[1] In the spring of 2009, the virus began infecting humans and was called a novel virus, meaning that it is an infectious agent that humans have not ever been infected with before[2], unlike the seasonal flu, which most people have been exposed to at some point in their life.
Seasonal flu occurs annually and characteristics of strains can vary from year to year, which is why there is a different flu vaccine developed each year to combat seasonal flu. On average, seasonal flu infects between 5 and 20 percent of the population each year, causing approximately 36,000 deaths annually.[3]
Similarities
Symptoms: Symptoms of H1N1 and seasonal flu are very similar, and include fever, body aches, headache, sore throat, cough, runny/stuffy nose, chills, fatigue, and possibly diarrhea and/or vomiting.
How it’s spread: The spread of the H1N1 virus is thought to be happening in the same way that seasonal flu spreads. Flu viruses are spread mainly from person-to-person through coughing or sneezing by people with influenza. Sometimes people may become infected by touching something with flu viruses on it and then touching their mouth or nose.
Differences
Who is impacted: While everyone is at risk for contracting H1N1, in 2009 the number of cases and deaths reported from H1N1 are less among the people over the age of 64 than that of the seasonal flu. In addition, the CDC reports that “novel H1N1 flu has caused greater disease burden in people younger than 25 years of age than older people.” (cite:
http://www.cdc.gov/h1n1flu/qa.htm)
How can I tell if I have H1N1 instead of seasonal flu?
Because symptoms of seasonal flu are very similar to H1N1, you will not be able to distinguish between H1N1 and seasonal flu on your own. If you are experiencing flu-like symptoms, you should contact your health care provider who will be able to evaluate your symptoms and possibly test for H1N1.
穷加拿大，为了我们入不敷出的脆弱医疗体制，请回来时候，自行隔离2周，别去商场和人多地方，这里疫苗都没有了，而且对流感没有任何办法，就求求你们了
6年没有得病，没有吃过感冒药
反正大家又不是白人
