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Effect of HIV virus on immune system
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Retrovirus are any RNA disease/virus that belongs to the family Retrofired. The virus was discovered in 1971 by Howard Temin and David Baltimore. 8uRetroviruses are uniquely shaped viruses, confusing features and overwhelming morbidity of the disease they cause. The genome of Retroviruses consists of RNA into DNA. Retrovirus have an outer envelope, which came from the plasma membrane of the host. There is an envelope protein in the lipid bilayer, actually many copies of this. The virus has a capsid, which is a protein shell. The Virus differs from other because it has two molecules of RNA and the molecules of the enzyme reverse transcriptase. The virus’s capsids are polyhedral with spiked envelope. One characteristic that makes retrovirus …show more content…
She has a fever of 103.5, and chills. She is experiencing fatigue and muscle aches. The worse symptom that she has, that begins to give concern, is a sore throat and a rash growing on the right elbow. Sandra makes an appointment for the doctor’s office. After getting to doctor’s office, Sandra waits to be called and when she does, she proceeds back to the doctor’s room. The doctor walks into the room and proceeds to ask questions like what symptoms are you experiencing; What is your sex life like; Have you recently had cuts or breaks in the skin. Sandra then tells the doctor about the symptoms and she recently has had a new partner and they’ve had unprotected sex. The doctor begins to do swabs in Sandra in case of STD’s and a swab for strep throat. Within two weeks, Sandra gets the result from the doctor. He explains to her that she has a severe decrease in lymphocytes especially her T helper cells. The doctor tells Sandra she is diagnosed with…Human Immunodeficiency Virus. This disease is also caused by retrovirus and can migrate into …show more content…
The strain is similar because of the nucleotide sequence in simian immunodeficiency disease. HIV was known/ came about around the 1920’s in Kinshasa, a city in the Dominic Republic of Congo, Africa. In 1959, the disease antibodies were identified in blood, however the first documented case was not till 1981. The most affected patients are those that are gay or bisexual men, particularly those that are young African American gay. In 2015, 39,513 people were diagnosed with HIV infection in the United states. Gay and bisexual men accounted for 26.375 of HIV infections. The largest number of diagnoses are of African American gay and bisexual man; the number is 10,315. 1,242,000 were living with the virus at the end of 2013. On a global scale, there is 36.7 million people living with HIV. About 2.1 million people were newly affected in 2015. Majority of individuals diagnosed with HIV are living within low and middle income countries. The Saharan Africa region is the most affected area of this virus. HIV infects, individuals, households, communities and countries worldwide. HIV can migrate to a deathlier form called AIDS. AIDS has killed more than 39 million people. This virus can only be transmitted through sex, intravenous drug abuse, blood transfusion, organ transplant, tattooing, and accidental medical needle
Her health conditions worsen and added more suffering to both health and expenditures. By the end of the story, Mrs. Vasquez had below the knee amputation, infected wound and diffused kidneys, which needs dialysis. Also, the co occurring
We find out later that this senior executive had a previous secretary who had AIDS and was aware of what AIDS lesions looked like. The camera focuses on this executive staring at Andrew suspiciously. Nine days later, Andrew’s health conditions worsen and he is seen covered with lesions. He is feverish, vomiting, etc. He works hard at home to conceal the severity of his illness.
The providers actively decide to deceive their patients. They spend the money the government gives them on placeboes. They tell the patients that they are receiving treatment when they are in fact not. This is compounded by the fact that initially, they believe they will get funding for treatment. Miss Evers is told that those in the study will be “first in line” for treatment when an effective treatment becomes available. The first to realize that this is not, in fact, true are the two doctors, Dr. Sam Brodus and Dr. Douglas. Ten years into the study when penicillin is show as an effective cure for syphilis they make the decision not to treat the men. At this point they are no longer doing the study to buy time until they can get treatment for the men, rather they are withholding treatment to watch the men gone through the full range of symptoms that accompany syphilis including death. Still, if the need for dead bodies to autopsy was a requirement of the studies completion and a primary indicator the success of the studies main objective, then the doctors knew from the beginning that they were not buying time until they got treatment for the afflicted men. It is possible they deceived themselves to a certain extent but it is entirely clear that they deceived Miss Evers. She believed that it would only be six months to a year until the men got treatment. Then, after that, she believed for ten years that they men would be first in line once there was a proven treatment. When this became clear it was not the case she questioned the doctors. They convinced her the study had a greater purpose aside from curing the men in it. She wanted to believe it and in many ways, she forced herself to believe it. Still, when viewing the withholding of treatment as unjust she attempted to administer treatment herself. This resulted in a patient committing suicide in a
Preston goes further into the errors made by the people at Yambuku hospital, with Nurse Mayinga. Preston writes “She knew she was becoming sick, but she did not want to admit to herself what it was” (100). Mayinga had contracted the virus when she had gotten in contact with Sister M.E.. Instead of going into the hospital that Nurse Mayinga worked at, she decided to head into the city and seek aid from other hospitals.
Bob is at the skate park, showing off his skills as a skateboarder. With one wrong move, he fell off of his skateboard, and his knee scrapped on the concrete, causing a big gash on his knee. A virus enters in the knee, and it has a mission. Its mission is to infect every organ in Bob's body.
Acquired Immune Deficiency Syndrome (AIDS) was first recognized as a new disease in 1981 when increasing numbers of young homosexual men succumbed to unusual opportunistic infections and rare malignancies (Gallant49).During this time, many people were contacting this disease because it was not discovered yet and people did not have knowledge about it.Scientists believe HIV came from a particular kind of chimpanzee in Western Africa. Humans contracted this disease when they hunted and ate infected animals. A first clue came in 1986 when a morphologically similar but antigenically distinct virus was found to cause AIDS in patients in western Africa (Goosby24). During this time, scientists had more evidence to support their claim about this disease. Once discovered this disease was identified as a cause of what has since become one of the most devastating infectious diseases to have emerged in recent history (Goosby101). This disease was deadly because it was similar to the Black Death, it was killing majority of the population. Since its first identification almost three decades ago, the pandemic form of HIV-1 has infected at least 60 million people and caused more than 25 million deaths ...
The narrator is being completely controlled by her husband. The narrator's husband has told the her over and over again that she is sick. She sees this as control because she cannot tell him differently. He is a physician so he knows these things. She also has a brother who is a physician, and he says the same thing. In the beginning of the story, she is like a child taking orders from a parent. Whatever these male doctors say must be true. The narrator says, "personally, I disagree with their ideas" (480), and it is clear she does not want to accept their theories but has no other choice. She is controlled by her husband.
The virus is primarily spherical shaped and roughly 200nm in size, surrounded by a host-cell derived membrane. Its genome is minus-sense single-stranded RNA 16-18 kb in length. It contains matrix protein inside the envelope, hemagglutinin and neuraminidase, fusion protein, nucleocapsid protein, and L and P proteins to form the RNA polymerase. The host-cell receptors on the outside are hemagglutinin and neuraminidase. The virus is allowed to enter the cell when the hemagglutinin/ neuraminidase glycoproteins fuse with the sialic acid on the surface of the host cell, and the capsid enters the cytoplasm. The infected cells express the fusion protein from the virus, and this links the host cells together to create syncitia.
Half of the world’s cases are found in what is referred to as the AIDS belt, a chain of countries in eastern and southern Africa that is home to two percent of the global population. The main vehicle for spreading HIV throughout Africa is heterosexual intercourse. In contrast, this is the opposite compared to the U.S. where the virus is usually transmitted through homosexual intercourse or contaminated syringes shared by drug users. Besides heterosexual intercourse, HIV transmission through transfusion and contaminated medical equipment is common in sub-Saharan Africa. Africans infected with HIV die much sooner after diagnosis than HIV infected people in other parts of the world. In industrialized countries, the survival time after diagnosis of AIDS ranges from 9 to 26 months, but in Africa the survival time for patients is 5 to 9 months (UNAIDS 3). Factors, such as lower access to health care, poorer quality of health care services, poorer levels of average health and nutrition, and greater exposure to pathogens that cause infection all contribute to the shorter survival in Africa. It is difficult to stop the flood of AIDS cases in Africa because it is not yet known by researchers the factors that contribute to outstanding prevalence of the disease among heterosexuals. This diagnosis will help determine how likely it is that heterosexual epidemics will spread to Asia or the West.
HIV is the human immunodeficiency virus; this virus can lead to acquired immune deficiency syndrome, or AIDS. Accoring to Avert, 2.6 million people became infected with HIV in 2009, there are now an estimated 33.3 million people around the world who are living with HIV. HIV is transmitted by the exchange of bodily fluids via sharing contaminated syringes, from infected mother to the child, and sexual contact. Contact with blood, semen, vaginal secretions, breast milk, or saliva that is contaminated with HIV, puts an individual at higher risk for contracting HIV. However, HIV cannot be transmitted by touch, coughing, or by bits from insect vectors.
The doctor contains his professionalism, but as it goes on, pieces of frustrated irregularities begin to surface. As the doctor learns that the parents say no, that the girl says she doesn’t have a sore throat, he purs...
• The doctor’s dilemma is that if he leaves the girl alone he will not be able to check if she has Diphtheria and may possibly die. If he continues on the road he’s going he will have to resort to measures that are socially unacceptable and even cruel.
The AIDS virus is the most common disease, and with no cure, an infected person will die. It is estimated that 90 to 95 percent of AIDS infections occur in developing countries where the world’s worst living conditions exist.
The Centers for disease control (CDC) has declared AIDS a global pandemic. No one person or group is safe from contracting this virus; knowledge, and safety is the only way you can protect yourself. However, the first black South African diagnosed with AIDS was in 1987, and currently South Africa is home to over 5.7 million people living with HIV/AIDS, making it the largest population on earth with people infected. (3)
The emergence of HIV/AIDS is viewed globally as one of the most serious health and developmental challenges our society faces today. Being a lentivirus, HIV slowly replicates over time, attacking and wearing down the human immune system subsequently leading to AIDS (Acquired Immunodeficiency Syndrome) at which point the affected individual is exposed to life threatening illnesses and eventual death. Despite the fact that a few instances of this disease have been accounted for in all parts of the world, a high rate of the aforementioned living with HIV are situated in either low or medium wage procuring nations. The Sub-Saharan region Africa is recognized as the geographic region most afflicted by the pandemic. In previous years, people living with HIV or at risk of getting infected did not have enough access to prevention, care and treatment neither were they properly sensitized about the disease. These days, awareness and accessibility to all the mentioned (preventive methods, care etc.) has risen dramatically due to several global responses to the epidemic. An estimated half of newly infected people are among those under age 25(The Global HIV/AIDS Epidemic). It hits hard as it has no visible symptoms and can go a long time without being diagnosed until one is tested or before it is too late to manage.