• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Diapositiva 1
Diapositiva 1

...  Droplet spread is classified as direct because transmission is by direct spray over a few feet, before the droplets fall to the ground.  Droplets are relatively large (>5 µm) and projected up to about one meter. ...
Slide 1 - Fort Bend ISD
Slide 1 - Fort Bend ISD

african_horse_sickness_3_pathogenesis
african_horse_sickness_3_pathogenesis

... The outcome of infection in horses, including the incubation period and severity of disease, depends largely on the virulence of the virus and susceptibility of the animal. In experimentally infected cases, the incubation period of AHS varies between five and seven days, but it may be as short as tw ...
Holly gets sick
Holly gets sick

... A virus is a non-cellular particle made up of genetic material and protein that can invade living cells. ...
Replication of Viruses
Replication of Viruses

... Animal cells are quite different when replicating. In fact, the entire animal virus enters the bacterial cell. Once inside, the animal virus loses its capsid and either the viral DNA or RNA and biosynthesis occurs. Another difference that occurs in animal’s cells is that when animal viruses leave th ...
Infectious Process Principles of Immunology
Infectious Process Principles of Immunology

... Principles of Immunology ...
Infectious & Communicable Diseases
Infectious & Communicable Diseases

... Oregon 1994 – 2003 – 6650 cases Marion Cty: 632 Multnomah Cty: 1,512 ...
The Immune Response
The Immune Response

... • AIDS—Modes of Infection (read only) – having unprotected sex with a person who is infected – sharing a needle (shooting drugs) with a person who is infected – being born from or drinking the breast milk of a woman who is infected. ...
Nursing Assistant
Nursing Assistant

... – Makes non-regulatory recommendations for disease control – Introduced standard precautions & transmissionbased precautions in 1996 ...
What does the transition state of this reaction look like?
What does the transition state of this reaction look like?

... the eight herpes viruses known to affect humans (and other vertebrates). It commonly causes chickenpox in children and shingles later in life. ...
Disease
Disease

... Center for Disease Control for the United States is located in Atlanta, Georgia. Their job is to monitor and protect the population of the United States to prevent the outbreak of disease. They predict the 3 strands of the flu virus that will be most probable each year so vaccinations can be made fo ...
218 The Israeli Journal of Aquaculture – Bamidgeh 56(3), 2004, 218
218 The Israeli Journal of Aquaculture – Bamidgeh 56(3), 2004, 218

... Rainbow trout (Oncorhynchus mykiss) were held at one of seven densities (8, 4, 0.63, 0.31, 0.16, 0.08 or 0.012 fish per liter) and challenged to the infectious hematopoietic necrosis virus (IHNV) by cohabitation with a single presumably infected donor fish. The trout were exposed to the IHNV-infecte ...
Disease causes09
Disease causes09

Overview
Overview

... proliferating cells are removed by the emerging latentantigen-specific primary-T-cell response, but some escape by downregulating antigen expression and establishing a stable reservoir of resting viral-genome-positive memory B cells, in which viral antigen expression is mostly suppressed (latency 0) ...
PPT - National Journal
PPT - National Journal

... Centers for Disease Control and Prevention ...
Folie 1 - MH
Folie 1 - MH

... CD95/Fas-mediated apoptosis in HIVinfected cells (2) Upregulation of CD95L/FasL on the surface of infected cells (HIV nef) (1) Chronic antigenspecific TCR activation (2) Loss or lack of HIVspecific CD4+ T-cell help (3) Aberrant or inappropriate chemokine receptor signaling Petrovas, C. et al., 2005 ...
Infectious Bovine Rhinotracheitis
Infectious Bovine Rhinotracheitis

... buildings. Access to good quality food and water should be ensured and other infectious disease, particularly BVD, should be controlled. ...
Hepatitis - King County
Hepatitis - King County

... – All babies, at birth – All children 11-12 who have not had vaccine – People at risk ...
PART 8 TREATMEnT HYMENOLEPIASIS NANA TREATMEnT
PART 8 TREATMEnT HYMENOLEPIASIS NANA TREATMEnT

... Clinical Manifestations  Most D. latum infections are asymptomatic, although manifestations may include transient abdominal discomfort, diarrhea, vomiting, weakness, and weight loss. Occasionally, infection can cause acute abdominal pain and intestinal obstruction; in rare cases, cholangitis or chol ...
Holly Gets Sick
Holly Gets Sick

... a) are matured in the lymph nodes ___________________________, _______________________________ b) manufacture antibodies ____________________________ c) activates a T-cell to destroy infected cells ______________________________ d) makes body immune to future infection _____________________________ ...
“Periodontal Disease Associated with a Higher Risk of Breast Cancer”
“Periodontal Disease Associated with a Higher Risk of Breast Cancer”

... that  thrives  in  the  mouth,  certain  strains  that  cause  periodontal  disease  have  also  been  linked   with  pneumonia,  prostate  cancer,  stroke  and  diabetes  as  well  as  breast  cancer.   ...
In search of a Broad-spectrum anti
In search of a Broad-spectrum anti

... The authors were able to show that their compound FGI-104 has anti-viral activity against a broad range of viruses, although it did not have activity against influenza viruses (data not shown). They do not make it clear what the actual structure is of compound FGI-104, or how the screened library of ...
VIROLOGY -Multiplication Cycle
VIROLOGY -Multiplication Cycle

... disease for a long period, often many years.  ( ex: human herpes simplex, Feline Herpes) ...
REPORT: Immune Responses to Maedi
REPORT: Immune Responses to Maedi

... The acquired immune response to SRLV infections involves branches, CMIR and AbMIR, but  neither is adequate to clear the virus (Reina et al., 2008). Little research has investigated the  efficacy of the CMIR to combat SRLV infection, however, there is evidence to suggest that some  of the Th1 cytoki ...
notice to passengers on novel influenza virus outbreak
notice to passengers on novel influenza virus outbreak

... We advise that the FIRST SEVEN DAYS after returning from an area with confirmed cases of novel influenza virus infections you monitor your health condition carefully. In case you start experiencing nausea, fever, sore throat, cough and muscle pain, you should immediately consult your doctor and seek ...
< 1 ... 600 601 602 603 604 605 606 607 608 ... 679 >

Hepatitis B



Hepatitis B is an infectious disease caused by the hepatitis B virus (HBV) which affects the liver. It can cause both acute and chronic infections. Many people have no symptoms during the initial infection. Some develop a rapid onset of sickness with vomiting, yellowish skin, feeling tired, dark urine and abdominal pain. Often these symptoms last a few weeks and rarely does the initial infection result in death. It may take 30 to 180 days for symptoms to begin. In those who get infected around the time of birth 90% develop chronic hepatitis B while less than 10% of those infected after the age of five do. Most of those with chronic disease have no symptoms; however, cirrhosis and liver cancer may eventually develop. These complications results in the death of 15 to 25% of those with chronic disease.The virus is transmitted by exposure to infectious blood or body fluids. Infection around the time of birth or from contact with other people's blood during childhood is the most frequent method by which hepatitis B is acquired in areas where the disease is common. In areas where the disease is rare, intravenous drug use and sexual intercourse are the most frequent routes of infection. Other risk factors include working in healthcare, blood transfusions, dialysis, living with an infected person, travel in countries where the infection rate is high, and living in an institution. Tattooing and acupuncture led to a significant number of cases in the 1980s; however, this has become less common with improved sterility. The hepatitis B viruses cannot be spread by holding hands, sharing eating utensils, kissing, hugging, coughing, sneezing, or breastfeeding. The infection can be diagnosed 30 to 60 days after exposure. Diagnosis is typically by testing the blood for parts of the virus and for antibodies against the virus. It is one of five known hepatitis viruses: A, B, C, D, and E.The infection has been preventable by vaccination since 1982. Vaccination is recommended by the World Health Organization in the first day of life if possible. Two or three more doses are required at a later time for full effect. This vaccine works about 95% of the time. About 180 countries gave the vaccine as part of national programs as of 2006. It is also recommended that all blood be tested for hepatitis B before transfusion and condoms be used to prevent infection. During an initial infection, care is based on the symptoms that a person has. In those who develop chronic disease antiviral medication such as tenofovir or interferon maybe useful, however these drugs are expensive. Liver transplantation is sometimes used for cirrhosis.About a third of the world population has been infected at one point in their lives, including 240 million to 350 million who have chronic infections. Over 750,000 people die of hepatitis B each year. About 300,000 of these are due to liver cancer. The disease is now only common in East Asia and sub-Saharan Africa where between 5 and 10% of adults have chronic disease. Rates in Europe and North America are less than 1%. It was originally known as serum hepatitis. Research is looking to create foods that contain HBV vaccine. The disease may affect other great apes as well.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report