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May 14, 2024 · Key points. Dengue viruses are usually spread to people through the bites of infected Aedes species mosquitoes. A person infected with dengue during pregnancy can pass the virus to their fetus. Rarely, dengue can be spread through other routes. Through mosquito bites.
May 30, 2024 · Dengue is primarily an urban disease of the tropics and the viruses that cause it are maintained in a cycle that involves humans and Aedes aegypti mosquitoes. The same mosquitoes transmit chikungunya and Zika viruses.
May 14, 2024 · When to expect symptoms. Symptoms of dengue usually begin within 2 weeks after being bitten by an infected mosquito. Symptoms typically last 2–7 days. Most people will recover after about a week.
Key points. NS1 antigen testing is recommended to determine dengue infections during the first 7 days of illness. A positive NS1 test result confirms dengue virus infection without providing serotype information. What the test is. NS1 tests detect the non-structural protein 1 (NS1) of dengue virus.
1 day ago · The World Health Organization (WHO) has now launched a dashboard in an effort to improve the tracking of dengue virus outbreaks, which have been spiking in recent years. The dengue dashboard can now be viewed here. Worldwide, there have been 7.6 million cases of dengue reported to WHO in 2024 so far, including more than 16,000 severe cases and ...
May 24, 2024 · To uncover the biologically relevant structure of sNS1, we obtained infection-derived sNS1 (isNS1) from dengue virus (DENV)-infected Vero cells through immunoaffinity purification instead of recombinant sNS1 (rsNS1) overexpressed in insect or mammalian cell lines.
May 15, 2024 · Recovery from infection by one dengue virus provides lifelong immunity against that particular virus serotype. However, this immunity confers only partial and transient protection against subsequent infection by the other three serotypes of the virus.
