2013/05/28

H7N9 virus and drug resistance

In April, H7N9 flu attacked Shang hai in China, almost 30 people died from the disease. According to CBC news on May 28, new issue is coming which is new H7N9 bird flu virus easily develops drug resistance. Studies showed that H7N9 virus already resistant a class of flu medication. It is dangerous because if flu become worse in future, there will be no drug can prevent of treat the disease. More people will be infected by H7N9 without vaccine.

There are one of the reasons that people can develop drug resistance which is misuse drugs. For example, antibiotic drugs is one of the most severe misused drugs. Some people have acquired the habit of self-medication. However, because of their lack of knowledge, they often misuse antibiotics, such as failure to complete therapy, skipping of doses, and reusing expired antibiotics. Research showed that patients frequently discontinue taking antibiotic therapy when they begin to feel better or slight side effects, and one-quarter of the patients retain leftover antibiotics for future use. This situation is very common. Sometimes, I discontinued drug therapy when I felt better. In my opinion, I think that I recover from the disease, so I do not need to take the drug anymore. Actually, it is wrong. If next the symptoms occur, I have to repeat the drug therapy, but sometimes the same drugs did not work in the new cases. I need to find more strong doses or drugs to relieve my symptoms.

The best way to control the flu is not treat the disease but to prevent it. H7N9 transmits between people, so we should improve personal hygiene to prevent transmission. For example, wash you hands frequently and use hand sanitizer. From daily life, we can prevent flu by cutting off the infection cycle.

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