The virus that causes dengue is transmitted by mosquitoes. Dengue fever usually starts with a fever, joint pain, rash and nausea. Without treatment, the virus can cause damage to blood and lymph vessels and lead to dengue hemorrhagic fever, which is marked by difficulty breathing, bruising and bleeding from the nose, gums or under the skin.
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How Dengue Virus Replicates inside the Body? Now you came to know that how dengue virus spreads and infects the body. Let’s have a little discussion on Virus Replication inside the body – Once inside the skin, dengue virus binds to Langerhans cells (a population of dendritic cells in the skin that identifies pathogens).
National Institutes of Health researchers have discovered a key step in how the dengue virus infects a cell. The discovery one day may lead to new drugs to prevent or treat the infection. The researchers discovered how the dengue virus releases itself from the protective membrane that shields it as it penetrates deep inside the cell.
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Dengue fever affects the body by causing a high fever and flu-like symptoms. The virus infects your blood and causes a migraine-like headache, rash, achiness, queasiness, tiredness and fever. It can affect the blood, causing mild bleeding of the gums, and you may bruise easily.
Feb 16, 2018 · Prior infection with a dengue fever virus. Previous infection with a dengue fever virus increases your risk of having severe symptoms if you're infected again. Complications. If severe, dengue fever can damage the lungs, liver or heart. Blood pressure can drop to dangerous levels, causing shock and, in some cases, death. Prevention
The virus circulates in the blood of an infected person for 2-7 days, at approximately the same time that the person develops a fever. Patients who are already infected with the dengue virus can transmit the infection via Aedes mosquitoes after the first symptoms appear (during 4-5 days; maximum 12).
Dengue virus (DENV) infection is caused by 1 of 4 antigenically distinct but related single-stranded, positive-sense RNA viruses in the family Flaviviridae. This virus is transmitted by mosquito vectors, primarily Aedes aegypti. Four serotypes (DENV-1, DENV-2, DENV-3, and DENV-4) circulate worldwide.
The disease dengue fever, also known as breakbone fever, is caused by four serotypes of dengue virus called dengue 1–4. These are Flavivirus species that are transmitted to humans by A. aegypti or A. albopictus mosquitoes. The disease is distributed worldwide but is predominantly located in tropical regions.