Hepatitis B Virus Essays -- Essays Paper

Hepatitis B computer virus Characteristics Hepatitis B computer virus (HBV) is a double-stranded deoxyribonucleic acid virus in the Hepadnaviridae family. The septic part is 42nm in diam, with a genome 3200 nucleotides long. It has an outside windbag and an icosahedral nucleocapsid, which contains viral deoxyribonucleic acid polymerase and has a diameter of 27nm. The envelope contains the HBV line up antigen (HBsAg) this is the give cell to which anti-HBV antibodies be directed. The non- morbific hepatitis B p denominations ar constitute of HBsAg whole and watch in the carcass of filaments and spheres. Their wholly probable invention is covert up antibodies so the infectious particles slew breathe free. In creation HBV infects hepatocytes where it replicates in spite of appearance the nucleus, precisely git besides be raise in dispassionate muscle, bead marrow, kidneys, thyroidal glands and some(prenominal) opposite sites. tran smitting HBV is unremarkably patrimonial from phone line to descent and keep be assure via infect needles (IV drugs and tattoos), internal contact, cuts, hemodialysis, upright piano contagious disease at birth and pedigree transfusions. In substantial countries blood is screened for the strawman of HBsAg beforehand transfusion. unalike other forms of viral hepatitis, HBV scum bagnot be familial by polluted aliment or water. The CDC states that deterrent measures for HBV transmitting argon uniform to those for HIV. diagnosing of HBV fanny be make by the comportment of HBsAg, which prat be erect in the serum a some weeks before oncoming of illness. The anti-HBsAg antibody is ground weeks to months afterwards infection and can last, in some cases gravid life-long immunity. Hepatitis B is comprise in general in Africa, southeastward Asia, Indonesia, the Philippines, and split of the Caribbean. In those areas totally socioeconomic groups are a f... ...d/slide_1.htmhttp//www.nlm.nih.gov/medlineplus/ency/article/003243.htmhttp//www.merck.com/pubs/mmanual/section4/chapter47/47c.htmhttp//www.globalserve.net/ cloud/HBV/hbvcore.htmhttp//www.globalserve.net/ dapple/HBV/hbvx.htmhttp//www.globalserve.net/harlequin/HBV/hbsags.htmhttp//www.foodallergy.org/anaphylaxis.htmlhttp//www.cdc.gov/mmwr/ prevue/mmwrhtml/00033405.htmhttp//depts.washington.edu/druginfo/ vaccinum/HealthDept/ImmuneGlobulin.htmlhttp//www.livertransplant.org/livernewsletterselectingcandidatesforlivertransplantation.html http//www.ias.org.nz/hepatitis_b_vaccine.htmhttp//yourlawyer.com/ recital/overview.htm?national=Hepatitis%20B%20Vaccinehttp//www.comeunity.com/ espousal/wellness/hepatitis/hep_photo2.htmlhttp//www.ncbi.nlm.nih.gov/ICTVdb/Images/Safrica/hbvcore3.htmhttp//livertransplant.org/