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本帖最后由 细胞海洋 于 2012-6-24 23:39 编辑
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. N o1 G$ W& X! E9 D& l9 ^# KCOVER False-colored transmission electron microscopy image of avian
X! v- b! A; s1 D# {' RH5N1 influenza virus isolated in Hong Kong (field-of-view width ~260 nm). A
) j% x$ I9 d" ?& {highly pathogenic influenza subtype is currently pandemic among the world's wild # o+ \0 w+ w/ t: M
birds, with serious outbreaks occurring in domestic poultry. Concern about the
: y7 ]; h) v0 a+ \possibility of the virus evolving into a human pandemic threat has prompted
7 W+ n, J% {; G5 d; Ucontroversial research on mutations that facilitate airborne infection between 4 t' p4 T4 `% l! B5 t
mammals. See the special section beginning on page 1521 for & @) H/ E8 g; U5 I
details of the scientific investigations and policy. Image: Dr. Gopal " g1 ]" c* p! N1 s' \
Murti/Visuals Unlimited, Inc.
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发表于 2012-6-24 21:51
