What is the epidemiology of dengue fever?

What is the epidemiology of dengue fever?

The incidence of dengue has grown dramatically around the world in recent decades. One study on dengue prevalence estimates that 3.9 billion people are at risk of dengue viruses (Brady et al., 2012; Bhatt et al., 2013). Despite a risk of infection in 128 countries, 70% of the actual burden is in Asia.

How many cases of dengue are there in 2020?

Authorities reported roughly 83,155 cases of dengue fever in the Philippines during 2020, roughly 420,453 cases during 2019, and 216,290 cases in 2018.

Why Selangor have a higher rate of dengue cases?

Rose said besides human behaviour, high population density was another reason Selangor had the most dengue cases. “As one of the most densely-populated states in Malaysia, urbanisation and high population density facilitate the spread of dengue in the community. “Urban areas have a high human mobility rate.

Is dengue an infectious diseases?

Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. This disease used to be called “break-bone” fever because it sometimes causes severe joint and muscle pain that feels like bones are breaking.

Is dengue endemic in Malaysia?

Dengue remains endemic in Malaysia since its outbreak in the 1980’s, with its highest concentration of cases in the state of Selangor. Predictors of dengue fever outbreaks could provide timely information for health officials to implement preventative actions.

Is dengue common in Malaysia?

Dengue occurs nationally in Malaysia, with increased risk in urban and periurban areas. Peak transmission occurs in the late monsoon season (October through February in east peninsular Malaysia, Sabah, and Sarawak; July through August in west peninsular Malaysia).

Which country has the most dengue?

The five countries reporting most cases are: Brazil (863 650), Peru (41 379), Colombia (37 452), Nicaragua (32 020), and Mexico (30 059). This is an increase of 43 829 cases and 20 deaths since 29 October 2021.

Why is dengue common in Malaysia?

These mosquitoes thrive in areas with standing water, including puddles, water tanks, containers and old tires. Lack of reliable sanitation and regular garbage collection also contribute to the spread of the mosquitoes.

How many people died from dengue in Malaysia in 2013?

The total number of deaths reported due to dengue in 2013 was 92 with a Case Fatality Rate of 0.21%. The states with the highest numbers of deaths were Selangor and Johor with 24 deaths each.

Is there a sylvatic circulation of dengue in Malaysia’s rural areas?

We examined the spatiotemporal distribution and epidemiological characteristics of reported dengue cases in the predominantly rural state of Sabah, in Malaysian Borneo–an area where sylvatic and urban circulation of pathogens are known to intersect.

What is the epidemiology of dengue?

Epidemiology of Dengue. Epidemiology of Dengue (Worldwide) Dengue was classified by The World Health Organisation (WHO) in 2012, as the most important mosquito-borne viral disease in the world. Dengue is also the world’s most rapidly spreading and geographically widespread mosquitio-borne disease.

Is dengue an urban or rural disease?

In Malaysia, dengue is predominantly an urban disease due to the abundance of the principle vector Aedes aegypti which is at a close proximity to high densities of susceptible hosts.