29_viruses
... 4 New copies of viral genome RNA are made using complementary RNA strands as templates. ...
... 4 New copies of viral genome RNA are made using complementary RNA strands as templates. ...
Sexually Transmitted Infections
... Mother will be given a C-section to avoid transmission to baby ...
... Mother will be given a C-section to avoid transmission to baby ...
Cell
... Certain viruses can only attack certain cell types. They are said to be specific. Example: The rabies virus only attacks brain or nervous cells. ...
... Certain viruses can only attack certain cell types. They are said to be specific. Example: The rabies virus only attacks brain or nervous cells. ...
Bloodborne Pathogens
... May lead to chronic liver disease, liver cancer, and death HBV can survive for at least one week in dried blood Symptoms can occur 1-9 months after exposure The vaccination series are available through the district at no cost to you (Occupationally Exposed). ...
... May lead to chronic liver disease, liver cancer, and death HBV can survive for at least one week in dried blood Symptoms can occur 1-9 months after exposure The vaccination series are available through the district at no cost to you (Occupationally Exposed). ...
Lecture 22: patterns of infection
... – Common with cold viruses and Diarrhea causing viruses. Many viruses including HIV initially infect cells in the infected area. ...
... – Common with cold viruses and Diarrhea causing viruses. Many viruses including HIV initially infect cells in the infected area. ...
viruses! - Science with Mrs. Schulte
... so differently than organisms. Viruses can multiply ONLY when they are inside a living cell. Host: organism that provides a source of energy for a virus or another ...
... so differently than organisms. Viruses can multiply ONLY when they are inside a living cell. Host: organism that provides a source of energy for a virus or another ...
Day 4
... has another STD - immune system is fighting more than one thing - some STD’s are open soars that can make it easier for HIV to enter ...
... has another STD - immune system is fighting more than one thing - some STD’s are open soars that can make it easier for HIV to enter ...
File
... HIV affects specific cells of the immune system, called CD4 cells, or T cells. Over time, HIV can destroy so many of these cells that the body can’t fight off infections and disease. When this happens, HIV infection leads to AIDS. HIV disease has a well-documented progression. Untreated, HIV is almo ...
... HIV affects specific cells of the immune system, called CD4 cells, or T cells. Over time, HIV can destroy so many of these cells that the body can’t fight off infections and disease. When this happens, HIV infection leads to AIDS. HIV disease has a well-documented progression. Untreated, HIV is almo ...
What is SPID?
... SPID illness stages. • I. Infection with virus HIV: week fever, increase in lymph nodes, rash. In a month in blood antibodies to virus HIV are found. • II. Hidden period: from several weeks to several years: expressions mucous, fungal damages of skin, weight loss, a diarrhea, the increased body tem ...
... SPID illness stages. • I. Infection with virus HIV: week fever, increase in lymph nodes, rash. In a month in blood antibodies to virus HIV are found. • II. Hidden period: from several weeks to several years: expressions mucous, fungal damages of skin, weight loss, a diarrhea, the increased body tem ...
Topic Organizer # 6
... 8. How is the capsid protein important to the functioning of a virus? 9. What is the best way to protect humans against most viral diseases? 10.How are viruses highly specific to the cells they infect? 11.List the five pathogens that are responsible for the spread of infectious disease. Give an exam ...
... 8. How is the capsid protein important to the functioning of a virus? 9. What is the best way to protect humans against most viral diseases? 10.How are viruses highly specific to the cells they infect? 11.List the five pathogens that are responsible for the spread of infectious disease. Give an exam ...
Notes: Viruses
... 4. viral DNA is copied along with the cells DNA 5. viral DNA is passed on to new daughter cells At some point the DNA activates itself and enters the lytic cycle. ...
... 4. viral DNA is copied along with the cells DNA 5. viral DNA is passed on to new daughter cells At some point the DNA activates itself and enters the lytic cycle. ...
PowerPoint
... Phases 1 and 2 are reported as AIDS if CD4+ T cells <200 cells/µl; Phase 3 always reported as AIDS Progression from HIV infection to AIDS: 10 y The life of an AIDS patient can be prolonged by the proper treatment of opportunistic infections People lacking CCR5 are resistant to HIV infectio ...
... Phases 1 and 2 are reported as AIDS if CD4+ T cells <200 cells/µl; Phase 3 always reported as AIDS Progression from HIV infection to AIDS: 10 y The life of an AIDS patient can be prolonged by the proper treatment of opportunistic infections People lacking CCR5 are resistant to HIV infectio ...
FOREWORD The disease that came to be called acquired immunodeficiency syndrome... identified in the summer of 1981 . By that time,...
... The disease that came to be called acquired immunodeficiency syndrome (AIDS) was first identified in the summer of 1981 . By that time, nearly 100,000 persons in the United States may have been infected with human immunodeficiency virus (HIV) . By the time the routes of transmission were clearly ide ...
... The disease that came to be called acquired immunodeficiency syndrome (AIDS) was first identified in the summer of 1981 . By that time, nearly 100,000 persons in the United States may have been infected with human immunodeficiency virus (HIV) . By the time the routes of transmission were clearly ide ...
WASH and HIV: current research and opportunities
... Add WASH to HIV PMTCT programming because: • 1. We know HIV-affected children are highly vulnerable to diarrheal illnesses • 2. We know that WASH interventions can reduce diarrhea by 50% or more • 3. We know that diarrhea in mothers and children can contribute to lower uptake of life-saving drugs th ...
... Add WASH to HIV PMTCT programming because: • 1. We know HIV-affected children are highly vulnerable to diarrheal illnesses • 2. We know that WASH interventions can reduce diarrhea by 50% or more • 3. We know that diarrhea in mothers and children can contribute to lower uptake of life-saving drugs th ...
C. Fungi - Effingham County Schools
... 12. A - Cell membrane – Controls what enters and leaves the cell. B – Cell wall – Gives shape to the cell C – Pilus – Play a role during conjugation or help attach to host cells D. – Flagellum – Helps with movement E – DNA – Contains genetic material of bacterium cell ...
... 12. A - Cell membrane – Controls what enters and leaves the cell. B – Cell wall – Gives shape to the cell C – Pilus – Play a role during conjugation or help attach to host cells D. – Flagellum – Helps with movement E – DNA – Contains genetic material of bacterium cell ...
Lec 4 Virology *Double strand DNA viruses Genome organization
... be reactivated at a later time. *Structure of herpesviruses Herpesvirus virions consist of an icosahedral capsid enclosed in an envelope derived from the host’s nuclear membrane (see figure 25.2.page 256from Microbiology -book 2013) Between the envelope and the capsid lies an amorphous proteinaceous ...
... be reactivated at a later time. *Structure of herpesviruses Herpesvirus virions consist of an icosahedral capsid enclosed in an envelope derived from the host’s nuclear membrane (see figure 25.2.page 256from Microbiology -book 2013) Between the envelope and the capsid lies an amorphous proteinaceous ...
Cell Culture
... – Diploid cell strains – cells of single type (fibroblast cells) that can be subcultivated for limited number of times, mostly 50 ...
... – Diploid cell strains – cells of single type (fibroblast cells) that can be subcultivated for limited number of times, mostly 50 ...
Summaries II
... The virus life cycle can be divided into five stages: 1. attachment (adsorption), 2. penetration (injection), 3. protein and nucleic acid synthesis, 4. assembly and packaging, and 5. virion release. ...
... The virus life cycle can be divided into five stages: 1. attachment (adsorption), 2. penetration (injection), 3. protein and nucleic acid synthesis, 4. assembly and packaging, and 5. virion release. ...
Bacteria and Viruses
... are “infectious proteins” They are normal body proteins that get converted into an alternate configuration by contact with other prion proteins They have no DNA or RNA The main protein involved in human and mammalian prion diseases is called “PrP” copyright cmassengale ...
... are “infectious proteins” They are normal body proteins that get converted into an alternate configuration by contact with other prion proteins They have no DNA or RNA The main protein involved in human and mammalian prion diseases is called “PrP” copyright cmassengale ...
Virus teacher notes Pre-AP 14-15
... 1. A virus is an infectious agent made up of – nucleic acid (DNA or RNA), wrapped in protein coat a. they have no nucleus, no organelles, no cytoplasm or cell membrane – non-cellular particle b. viruses have either – DNA or RNA, but not both c. viruses with RNA that transcribes into DNA (using enzym ...
... 1. A virus is an infectious agent made up of – nucleic acid (DNA or RNA), wrapped in protein coat a. they have no nucleus, no organelles, no cytoplasm or cell membrane – non-cellular particle b. viruses have either – DNA or RNA, but not both c. viruses with RNA that transcribes into DNA (using enzym ...
HIV
The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and acquired immunodeficiency syndrome (AIDS). AIDS is a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. Without treatment, average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype. Infection with HIV occurs by the transfer of blood, semen, vaginal fluid, pre-ejaculate, or breast milk. Within these bodily fluids, HIV is present as both free virus particles and virus within infected immune cells.HIV infects vital cells in the human immune system such as helper T cells (specifically CD4+ T cells), macrophages, and dendritic cells. HIV infection leads to low levels of CD4+ T cells through a number of mechanisms, including apoptosis of uninfected bystander cells, direct viral killing of infected cells, and killing of infected CD4+ T cells by CD8 cytotoxic lymphocytes that recognize infected cells. When CD4+ T cell numbers decline below a critical level, cell-mediated immunity is lost, and the body becomes progressively more susceptible to opportunistic infections.