【新唐人2013年04月29日讯】大陆某研究H7N9禽流感病毒的官方科研团队，最近发布最新研究成果，表示﹕“H7N9病毒基因有3个已经移位，再移一个就会导致人传人”，这一说法被各大媒体广泛转载，引起了民众和相关专家的强烈关注，但团队的专家在接受《中央电视台》采访时，又改口说“从未提过人传人”。一位大陆疾控中心的疫苗专家揭秘了研究团队专家前后矛盾的原因。
据4月27号大陆各大媒体报导，中国工程院院士、国家卫计委“传染病重点研究室”主任李兰娟的团队，在H7N9禽流感病毒研究获得两项重大突破，第一是确认了人感染H7N9病毒的感染源为鸡等家禽﹔第二是H7N9病毒正向适合感染的哺乳动物方向发展，这使病毒更容易感染到人。这一研究的论文，发表在世界著名医学期刊《柳叶刀》的官方网站。
报导说，H7N9病毒基因如同一部旋转楼梯，如果各个台阶稳定，传染性就不明显。这次研究发现的其中4个“台阶”及定位是关键，但目前其中3个“台阶”位置已经发生变化，假如再有一个“台阶”移位，就会破坏楼梯稳定性，那么将使病毒发生有效的人向人传播。
当有媒体记者问及：“这个可能性大吗？”李兰娟说，以往的H5N1及其他甲流病毒中，位点没有发生过变异。不过，不等于说以后在H7N9中也不发生变化，因此需要密切关注！
但李兰娟第二天在接受《央视》采访时，明确否认说过H7N9病毒基因变异将导致“人传人”。并表示，对于会不会发生人传人，她不能肯定，也不能否认，还需要进一步研究和监测。对李兰娟的改口，民众多抱怀疑态度。
大陆疾控中心疫苗专家 赵大海：“ 她是害怕出现社会动荡，人传人的话造成老百姓的恐慌，回避说这个人传人的事情。你要是科学的来对待这个事情，反而社会比较安定，你违反科学的一种解释，你对社会说‘不人传人’，你这样解释的话，反而造成老百姓的不信任了。不信任，还会造成社会恐慌。”
李兰娟还对媒体辩解说，她只是提醒人们，如果病毒进一步变异的话，将更容易在哺乳动物之间传播。但立刻有网友质问，难道人不属于哺乳动物吗？这不是在玩文字游戏吗？
对此，一位大陆某疾控中心的疫苗专家赵大海（化名）向《新唐人》透露，H7N9禽流感病毒其实已经具有人传人性，只是没有发现病例而已。
赵大海：“ 其实这都是大家都共识的， 他们只是不说而已，但是说人传人，他们现在只能说﹕没发现人传人的迹象。不人传人的话，现在我们大夫、护士在治疗这个病的时候， 他做了很强的防护措施来对待病人，还是担心人传人。”
赵大海还表示，从李兰娟透露的信息可以分析出，H7N9病毒不但人传人，而且人传人的传染力应该是增强了，而且已经掩盖不住，否则官方不会公开这次研究成果。
大陆公共卫生公益机构“益仁平”负责人 陆军: “这些公共卫生的问题，主管部门一贯的作风就是隐瞒，他的逻辑就是维稳，只要公众不知道、不知情，然后他动用手里所有资源把事态能够给控制住，把这个事态的影响也控制住，那就是符合他的利益了。”
此外，赵大海还透露一个惊人的消息，他说，因为知道H7N9的人传人性，当局对H7N9防控已经到了草木皆兵的地步，各地区各大医院的发热门诊里，无论出现任何发热问题，都统一按照H7N9禽流感病毒的一套去检查，结果导致了部分病人病情被延误甚至死亡。
采访/林莉 编辑/张天宇 后制/葛雷
Vaccine Expert: H7N9 Can Spread Between Humans
Chinese scientists Revealed
An academic team in Mainland China
released its latest H7N9 virus investigation results.
They claim, “three of four gene mutations
have been identified;
if another mutation site is found, it would likely result
in an effective human-to-human transmission.”
The media widely circulated their words,
triggering strong concerns by the public and experts.
However, a researcher told China’s Central Television
(CCTV) that they had never mentioned “person-to-person transmission.”
A vaccine expert of Disease Control Centre
analyzes the reason for this denial.
On April 27, media reported that research team led by
Li Lanjuan from the Chinese Academy of Engineering,
made two breakthroughs in the study of H7N9 virus.
Firstly, they discovered that wet market poultry was likely
the source for human infections with H7N9 virus.
Secondly, the virus is spreading to mammals,
and could eventually mutate to human-to-human spread.
The research was published in internationally renowned
medical journal The Lancet.
Media reported, if H7N9 virus’ genome sequence is sturdy,
transmission of the virus isn’t easy.
The research found that four genes of H7N9 virus
are the key.
Three of the four genes had been identified as mutated.
If the forth mutates, it will destroy the genome’ sturdiness.
Then, the H7N9 virus would effectively express
a human-to-human transmission.
Some media reporters asked: “Is the later possibility big?”
Li Lanjuan said that in the past, H5N1 and other A-viruses, didn’t have key genes mutating.
Yet, this doesn’t mean the same applies to H7N9,
so outbreak is not ruled out, which needs close attention.
However, the following day in a CCTV’ interview Li denied
saying H7N9 virus mutation will cause human-to-human transmission.
She said, she cannot specify if transmission between
humans is to happen, as further study is needed.
Nevertheless, the public and experts
are skeptical about Li’s denial.
Zhao Dahai, vaccine expert at a Disease Control Centre
in Mainland China: “She is afraid of stirring social unrest.
Human-to-human transmission will cause public panic,
thus she denied the saying.
However, if authorities deal with it in a scientific manner,
the social community will feel safe.
Without a scientific explanation, just telling the public
there will be no human-to-human transmission, the public won’t trust you.
This will result in a panic among the public.”
Li also told media, she only made people aware if the virus
mutates further it is easier to transmit between mammals.
Netizens immediately asked, aren’t humans mammals?
And isn’t she playing with the words?
Zhao Dahai told NTD that H7N9 avian influenza can spread
human-to-human, it is just that no cases are found yet.
Zhao Dahai: “Actually, everyone knows about it,
they just don’t want to say it.
For the human-to-human transmission issue, they only
talk on the surface that no evidence has been found yet.
However, when the doctors treat patients,
they take many precocious measures to deal with patients,
as they still worry that H7N9 virus
can transmit between humans.”
Zhao Dahai also thinks, analyzing Li Lanjuan’s explanation,
one can tell H7N9 can not only transmit between humans,
but also can badly spread among humans, which can’t be
covered up; otherwise authorities won’t air this research.
Lu Jun, director of public health charity: “The authorities
always cover up the public health issues.
Their logic is to ‘maintain stability’. As long as the public
doesn’t know, they can control all the information.
They also can control the impact of the situation.
That is within their line of interests.”
Zhao Dahai revealed another shocking information.
He said that by knowing H7N9 virus is capable
to spread between humans, the authorities let their prevention imagination go wild.
In hospitals, for fever treatment every patient is forced
to undergo the process of H7N9 virus checking;
thus some patients’treatments are being delayed,
this resulting in their death.
