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Why infectious disease "more and more"?
At 10:18 on October 24, 2013
Source: China Science News
October 23, Zhejiang Province, also reported one case of human infection with the H7N9 avian influenza, which has caused panic in the country's emerging infectious diseases once again attracted everyone's attention. Attentive readers may also find that, in addition to H7N9, the year also occurred H1N1, H5N1, novel coronavirus and other infectious diseases.
The public may have doubts, how I always felt an infectious disease in endemic?
State Planning Commission Li Bin August guard to the NPC Standing Committee for the prevention and treatment of infectious diseases report that nearly 10 years in China almost every year or two there is one kind of new infectious diseases emerge. Emergency Planning Office of the Ombudsman Wei Hao Yang also said that beginning from SARS, including this year's H7N9 and H1N1, H5N1, were 10 years ago, our country has never been found in infectious diseases.
We must ask, why more and more infectious diseases around us?
Changing pathogens, infectious diseases continue to "introduce "
Infectious diseases are not rootless passive, which more and more relevant with mutating pathogens.
Beijing Ditan Hospital, chief physician Cai Hao Dong explained pathogens in order to adapt to environmental changes occurring "mutation" into a new kind of virus or bacteria that cause disease in humans. H7N9 had only infect birds, then mutate, can infect humans; suis mutation that occurred in Sichuan Province in 2005 the largest in human history, with the outbreak of Streptococcus suis infection in humans.
"Pathogens will not only 'change', but also 'move'." Cai Hao Dong said that animals are an important new human infectious diseases and potential sources. China CDC director Tan Wenjie Viral Disease experts also pointed out that, to date, more than half of the new development and outbreaks of infectious diseases, both viral diseases of animal origin, there is a tendency to increase this proportion.
"Because the original ecological barrier is damaged, some wildlife habitat forced to leave, or to the forest of human travel , pets, etc., to make human contact with animals more and more, some of the original only pathogens in animals boarding pass contact may constantly "moving" to the human body. "Cai Hao Dong said," cause of SARS coronavirus from civet cats might, human beings civet onto the table, which leads to disease prevalence in the world. "
Pathogens constantly "change" constantly "moving" so that infectious diseases continue to "innovation," more and more.
Population movements and the environment is changing, infectious diseases migration
Contact with people and animals, so that pathogens from animals, "move" to humans, and human contact between the pathogen from one region to make "move" to another area, population movement promotes infectious disease outbreaks and epidemic. Occurred this year with the new coronavirus is the Middle East tourists to migrate to other countries.
With the increase in human communication and transport development, population mobility is greatly improved. "The more population movements, the faster the pathogens 'moving' is also more efficient, more convenient." Cai Hao Dong said, "500 years ago, Yersinia pestis 'sitting' merchants and soldiers on board, from one country to another country , causing a world pandemic often take years of work. now, SARS virus got on a plane, fly to another country within hours, months of hard work to make the 33 countries and regions have emerged in patients with SARS. "
Infectious diseases as the population flows erupted in the new environment, environmental change on infectious diseases more far-reaching. Cai Hao Dong introduction, as the climate warms, some of the beneficial insect breeding breeding disease spread faster, but increased in vivo virulence of pathogens, insects from now as tropical and subtropical to temperate or boreal migration.
Environmental pollution will also lead to multiple infectious diseases. "As it is now Beijing's fog and haze can reduce the resistance of the human respiratory tract, pathogens on a loophole, the easier to infect humans." Cai Hao Dong said, there are water pollution, heavy metals such as excessive, changing people's the immune system, people's resistance to drop, more infectious diseases.
Continuously improve the level of detection of infectious diseases become more "transparent"
In fact, become more infectious diseases, but also means more and more infectious diseases as we know, information dissemination of infectious diseases to become more open and transparent.
"In the past a lot of information opacity, such as our cholera epidemic, a state secret and can not be reported, the diagnosis should be rewritten '02 ', so people do not know what disease is endemic." Cai Hao Dong said.
"Why are these infections occurred and was we found? This shows that our ability to continuously improve the discovery that our means of detection, the detection level is also rising, people's awareness is also rising." Hao Yang pointed out that After the SARS outbreak, in order to discover and deal with all kinds of infectious diseases occur, China has established a very high coverage of infectious disease surveillance networks, such as the township has to cover direct reporting of infectious diseases in a large hospital systems and infectious diseases whistle surveillance laboratories. Nationwide epidemic of medical institutions above the county level direct reporting network rate of 98%, township hospitals direct reporting rate of 94% and disease prevention and control agencies to achieve a 100% direct reporting network.
Therefore, cholera no longer be called "02", do not be diagnosed as "intestinal infection" a; bird flu, swine streptococcus, hand, foot and mouth disease outbreak could receive timely reports. Now, we can often from newspapers, television and other media to see the occurrence of infectious diseases around, so that the public can understand the prevention and control measures. But let us also produced a "how there is always infectious diseases in the popular" "infectious disease more and more" impression.
http://tech.ifeng.com/discovery/detail_2013_10/24/30618508_0.shtml
Why infectious disease "more and more"?
At 10:18 on October 24, 2013
Source: China Science News
October 23, Zhejiang Province, also reported one case of human infection with the H7N9 avian influenza, which has caused panic in the country's emerging infectious diseases once again attracted everyone's attention. Attentive readers may also find that, in addition to H7N9, the year also occurred H1N1, H5N1, novel coronavirus and other infectious diseases.
The public may have doubts, how I always felt an infectious disease in endemic?
State Planning Commission Li Bin August guard to the NPC Standing Committee for the prevention and treatment of infectious diseases report that nearly 10 years in China almost every year or two there is one kind of new infectious diseases emerge. Emergency Planning Office of the Ombudsman Wei Hao Yang also said that beginning from SARS, including this year's H7N9 and H1N1, H5N1, were 10 years ago, our country has never been found in infectious diseases.
We must ask, why more and more infectious diseases around us?
Changing pathogens, infectious diseases continue to "introduce "
Infectious diseases are not rootless passive, which more and more relevant with mutating pathogens.
Beijing Ditan Hospital, chief physician Cai Hao Dong explained pathogens in order to adapt to environmental changes occurring "mutation" into a new kind of virus or bacteria that cause disease in humans. H7N9 had only infect birds, then mutate, can infect humans; suis mutation that occurred in Sichuan Province in 2005 the largest in human history, with the outbreak of Streptococcus suis infection in humans.
"Pathogens will not only 'change', but also 'move'." Cai Hao Dong said that animals are an important new human infectious diseases and potential sources. China CDC director Tan Wenjie Viral Disease experts also pointed out that, to date, more than half of the new development and outbreaks of infectious diseases, both viral diseases of animal origin, there is a tendency to increase this proportion.
"Because the original ecological barrier is damaged, some wildlife habitat forced to leave, or to the forest of human travel , pets, etc., to make human contact with animals more and more, some of the original only pathogens in animals boarding pass contact may constantly "moving" to the human body. "Cai Hao Dong said," cause of SARS coronavirus from civet cats might, human beings civet onto the table, which leads to disease prevalence in the world. "
Pathogens constantly "change" constantly "moving" so that infectious diseases continue to "innovation," more and more.
Population movements and the environment is changing, infectious diseases migration
Contact with people and animals, so that pathogens from animals, "move" to humans, and human contact between the pathogen from one region to make "move" to another area, population movement promotes infectious disease outbreaks and epidemic. Occurred this year with the new coronavirus is the Middle East tourists to migrate to other countries.
With the increase in human communication and transport development, population mobility is greatly improved. "The more population movements, the faster the pathogens 'moving' is also more efficient, more convenient." Cai Hao Dong said, "500 years ago, Yersinia pestis 'sitting' merchants and soldiers on board, from one country to another country , causing a world pandemic often take years of work. now, SARS virus got on a plane, fly to another country within hours, months of hard work to make the 33 countries and regions have emerged in patients with SARS. "
Infectious diseases as the population flows erupted in the new environment, environmental change on infectious diseases more far-reaching. Cai Hao Dong introduction, as the climate warms, some of the beneficial insect breeding breeding disease spread faster, but increased in vivo virulence of pathogens, insects from now as tropical and subtropical to temperate or boreal migration.
Environmental pollution will also lead to multiple infectious diseases. "As it is now Beijing's fog and haze can reduce the resistance of the human respiratory tract, pathogens on a loophole, the easier to infect humans." Cai Hao Dong said, there are water pollution, heavy metals such as excessive, changing people's the immune system, people's resistance to drop, more infectious diseases.
Continuously improve the level of detection of infectious diseases become more "transparent"
In fact, become more infectious diseases, but also means more and more infectious diseases as we know, information dissemination of infectious diseases to become more open and transparent.
"In the past a lot of information opacity, such as our cholera epidemic, a state secret and can not be reported, the diagnosis should be rewritten '02 ', so people do not know what disease is endemic." Cai Hao Dong said.
"Why are these infections occurred and was we found? This shows that our ability to continuously improve the discovery that our means of detection, the detection level is also rising, people's awareness is also rising." Hao Yang pointed out that After the SARS outbreak, in order to discover and deal with all kinds of infectious diseases occur, China has established a very high coverage of infectious disease surveillance networks, such as the township has to cover direct reporting of infectious diseases in a large hospital systems and infectious diseases whistle surveillance laboratories. Nationwide epidemic of medical institutions above the county level direct reporting network rate of 98%, township hospitals direct reporting rate of 94% and disease prevention and control agencies to achieve a 100% direct reporting network.
Therefore, cholera no longer be called "02", do not be diagnosed as "intestinal infection" a; bird flu, swine streptococcus, hand, foot and mouth disease outbreak could receive timely reports. Now, we can often from newspapers, television and other media to see the occurrence of infectious diseases around, so that the public can understand the prevention and control measures. But let us also produced a "how there is always infectious diseases in the popular" "infectious disease more and more" impression.
http://tech.ifeng.com/discovery/detail_2013_10/24/30618508_0.shtml