医药服务英语之感冒阅读.ppt

Cold Flu 感冒和流感 The correct answer is: ??Influenza (The flu) Explanation: The CDC reports that flu kills 36,000 Americans annually. If you have an underlying illness, or if youre over age 50, or an infant, your risk is much higher. The flu vaccine can reduce your risk for serious complications of influenza. Vaccine options include either the flu shot or the flu sniff. ! The flu is more serious than colds. The correct answer is: ??Cold Explanation: The common cold, also known as a viral upper respiratory tract infection, is a frequent and recurring infection. In fact, children in preschool and elementary school can have three to 12 colds per year, while adolescents and adults typically have two to four colds per year. The common cold is the most frequently occurring illness in the world, and it is a leading cause of doctor visits and missed days from school and work. ! The cold is also called a viral upper respiratory infection. The correct answer is: ??False Explanation: More than 200 different types of viruses are known to cause the common cold, while there are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu. However, type C flu symptoms are much less severe. The swine flu of 2009 (H1N1), is a type A influenza. ! There are more than 200 types of cold viruses. The correct answer is: ??Usually a cold Explanation: Many people confuse the common cold with influenza (the flu). Influenza is caused by the influenza virus, while the common cold generally is not. While some of the symptoms of the common cold and influenza may be similar, patients with the common cold typically have a milder illness. ! Symptoms of the cold is milder compared with the flu. The correct answer is: ??False Explanation: The common cold and flu are both contagious viral infections of the respiratory tract. Colds affect the