Dengue virus can cause fever of different severity and in rare cases, lead to complex situation such as dengue hemorrhagic fever.
When the different strains of dengue virus interact with the immune system of different people, it can cause complex interactions resulting in conditions such as dengue hemorrhagic fever or dengue shock syndrome.
The genome of dengue virus consists of seven non-structured proteins and three structural proteins.
Non-structural proteins- NS1, NS2a, NS2b, NS3, NS4a, NS4b and NS5
Structural proteins-envelope protein E, membrane protein M and capsid protein C
A person who has been previously infected with dengue is more prone to its severe form. This happens as the antibodies meant for the old strain now start interfering in response of immune to the current restrain, thus facilitating dengue virus entry to the body.
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