 鲜花( 1181)  鸡蛋( 48)
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谢谢老师提供第一手资料，事实胜于熊辫。
+ f9 Y; m o4 @" p架鸡棚 发表于 2011-8-8 14:42 
: K+ W- N4 }: VI agree.6 ?2 \# k7 y9 e; v7 w- _
- h- ^. U' C0 c g' _1 Ahttp://www.emedicinehealth.com/hepatitis_b/page2_em.htm#Hepatitis B Causes; I" h; }+ P1 Q( U/ q6 c- t) |
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Hepatitis B Transmission and Causes
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The hepatitis B virus is known as a blood-borne virus because it is transmitted from one person to another via blood or fluids contaminated with blood. Another important route of transmission is from an infected mother to a newborn child, which occurs during or shortly after birth.2 y5 ~- d+ _: H
( V+ g- x9 y5 b. PDirect contract with blood may occur through the use of dirty needles during illicit drug use, inadvertent needle sticks experienced by healthcare workers, or contact with blood through other means. Semen, which contain small amounts of blood, and saliva that is contaminated with blood also carry the virus.
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! ?, w& C: t& QThe virus may be transmitted when these fluids come in contact with broken skin or a mucous membrane (in the mouth, genital organs, or rectum) of an uninfected person.
! W/ f3 b) C) nPeople who are at an increased risk of being infected with the hepatitis B virus include the following:9 I# \* k. h0 d4 h, D* A$ B
- r( `$ B m. eMen or women who have multiple sex partners, especially if they don't use a condom0 Z' r2 T7 i3 L7 D
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Men who have sex with men " y% r' w, T0 X2 R; p) l; C
% H4 H7 p9 Y3 ?* b5 zMen or women who have sex with a person infected with hepatitis B virus
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People with other sexually transmitted diseases
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- V; }8 b/ j) H" P4 xPeople who inject drugs with shared needles . A+ r: I' M4 w% X! R( m7 x8 L
& X1 G4 m; U- W0 N [People who receive transfusions of blood or blood products
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People who undergo dialysis for kidney disease
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( I4 D5 J5 E# i& d* E7 L/ ^Institutionalized mentally handicapped people and their attendants, caregivers, and family members & u: C$ |) }. T' Y6 E% T L
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Health care workers who are stuck with needles or other sharp instruments contaminated with infected blood 7 |& }. Y# M* @6 x4 B b1 Z
7 \, f+ a3 Q, s2 zInfants born to infected mothers
! x3 a+ C6 q" Q# oIn some cases, the source of transmission is never known.
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You cannot get hepatitis B from the following activities:4 {! e0 m& Q" L2 s4 K
- Q" ^8 h) F3 _6 VHaving someone sneeze or cough on you
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: J. E% S, X; A5 w, v) h9 iHugging someone( J5 K5 b) t- m& |' D- ]
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Handshaking a persons hand# u2 S3 ^/ c5 J) l! ~1 X1 X
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Breastfeeding your child
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; Y% ?* |3 |, S6 k' L; H5 B/ F+ ZEating food or drinking water - |( K3 J; n, D
2 S6 c; I8 z. h4 b2 Q. w0 a8 _Casual contact (such as an office or social setting) |
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狗仔卡
发表于 2011-8-6 08:10
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发表于 2011-8-6 09:34
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发表于 2011-8-8 07:52
