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HIV infection has basically four stages: incubation period, acute infection, latency stage and AIDS. The initial incubation period upon infection is asymptomatic and usually lasts between two and four weeks. The second stage, acute infection, which lasts an average of 28 days and can include symptoms such as fever, lymphadenopathy (swollen lymph nodes), pharyngitis (sore throat), rash, myalgia (muscle pain), malaise, and mouth and esophageal sores. The latency stage, which occurs third, shows few or no symptoms and can last anywhere from two weeks to twenty years and beyond. AIDS, the fourth and final stage of HIV infection shows as symptoms of various opportunistic infections.
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Pertussis Mode of transmission?
Adults and adolescents are the primary reservoir for pertussis. Pertussis is spread by contact with airborne discharges from the mucous membranes of infected people, who are most contagious during the catarrhal stage. Because the symptoms during the catarrhal stage are nonspecific, pertussis is usually not diagnosed until the appearance of the characteristic cough of the paroxysmal stage.
What are the description stage of dengue fever?
Stage 1: Acute fever and upper respiratory symptoms · Stage 2: Fever subsides · Stage 3: Circulatory failure, neurological problems, and hemorrhaging · Stage 4: Shock and death (10% of all cases reach this stage)
What happens in every stage of syhilis?
In the primary stage, a painless sore (chancre) appears at the site of infection. In the secondary stage, a rash may develop on the skin, and there may be flu-like symptoms. In the latent stage, there are no visible symptoms, but the bacteria may still be present in the body. The tertiary stage can lead to severe complications affecting the heart, brain, nerves, and other organs, potentially causing death.
In which stage is a primary oocyte arrested?
A primary oocyte is arrested in the prophase stage of meiosis I.
Describes the symptoms of HIV infection in the asymptomatic stage?
In the earliest stage of an HIV infection the symptoms are identical to the flu, but once it enters the asymptomatic stage there are no symptoms until it becomes active again and the immune system begins to fail. That is why it is called the asymptomatic stage (i.e. without symptoms).
Is the latent stage of an infectious disease the same as the pathogenic stage?
No, the latent stage of an infection is when the pathogen isn't causing symptoms or damage. The pathogenic stage is when the pathogen is causing symptoms or damage.
What stage do you correct minor errors?
primary stage.
What is the last stage of primary succession?
the last stage is called the last stage
What are the symptoms in a syphilis victim?
Syphilis typically presents in stages, with symptoms that can vary. In the primary stage, a painless sore called a chancre appears at the infection site. The secondary stage may involve skin rashes, flu-like symptoms, and swollen lymph nodes. If untreated, syphilis can progress to latent and tertiary stages, leading to severe health issues affecting the heart, brain, and other organs.
What are second stage symptoms of leptospirosis?
The symptoms of the second stage vary in each patient. Most patients have a low-grade fever, headache, vomiting, and rash. Aseptic meningitis is common in the second stage, symptoms of which include headache and photosensitivity
What are the stage two symptoms of HIV?
There are no reliable symptoms to use when HIV is concerned. The only way a person knows if they are infected is to get tested. There are a variety of testing options in the United States and abroad. If you are having trouble locating resources feel free to message me and I would be happy to assist.
What are the symptoms of stage 4?
The symptoms of stage 4 cirrhosis can vary from person to person. Symptoms generally include a lack of energy, brown colored urine, and yellowing of the skin and eyes.
