How Dengue Spreads | Dengue | CDC - Centers for Disease …
2024年9月27日 · 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.
Dengue and severe dengue - World Health Organization (WHO)
2023年10月2日 · Dengue is a viral infection transmitted to humans through the bite of infected mosquitoes. About half of the world's population is now at risk of dengue with an estimated 100–400 million infections occurring each year. Dengue is found in tropical and sub-tropical climates worldwide, mostly in urban and semi-urban areas.
Transmission of DENV - Centers for Disease Control and Prevention
The dengue virus is primarily transmitted from person to person through the bite of an infected Aedes aegypti or Aedes albopictus mosquito. Humans are the primary host and source of …
Dengue Transmission | Learn Science at Scitable - Nature
How Does Dengue Spread? The dengue virus is transmitted to humans via the bite of an infected mosquito. Only a few mosquito species are vectors for the dengue virus. What is a vector? A...
EPIDEMIOLOGY, BURDEN OF DISEASE AND TRANSMISSION - Dengue - NCBI Bookshelf
Dengue is the most rapidly spreading mosquito-borne viral disease in the world. In the last 50 years, incidence has increased 30-fold with increasing geographic expansion to new countries and, in the present decade, from urban to rural settings (Figure 1.1).
Dengue and severe dengue - World Health Organization (WHO)
2024年10月2日 · Dengue is a vector-borne disease transmitted by the bite of an infected mosquito. There are 4 serotypes of the virus that cause dengue. These are known as DEN-1, DEN-2, DEN-3 and DEN-4. Most dengue infections are mild and may not get noticed. Severe dengue is a potentially lethal complication which can develop from dengue infections.
Production, Transmission, Pathogenesis, and Control of Dengue …
Dengue virus infection is especially transmitted through bites of Aedes mosquitos, hugely spread in tropical and subtropical environments, mostly found in urban and semiurban areas.
Dengue is a mosquito-borne infection found in tropical and sub-tropical regions around the world. In recent years, transmission has increased predominantly in urban and semi-urban areas and has become a major international public health concern. There are four distinct, but closely related, serotypes of the virus that cause dengue (DEN-1, DEN-
Dengue epidemiology - ScienceDirect
2019年6月1日 · Dengue is the fastest spreading, mosquito-borne viral infectious disease worldwide, with remarkable morbidity and mortality. In the past decades, profound contributions have been made towards understanding its epidemiology, including disease burden and distributions, risk factors, and control and prevention practices.
Dengue Fever Biology & Transmission | NIAID: National …
2020年8月27日 · New research findings are shedding light on the mechanisms of dengue infection, such as how the virus enters the cells and how the human immune system responds to dengue infection. Other NIAID projects are identifying the human and viral factors that determine and contribute to the severity and transmissibility of this disease.