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Dengue is a Flaviviridae virus, with five genetic types. [8] [9] Here is the virus drawn as a 3-dimensional model of the envelope protein. [10]Dengue is in the same family as other well known viruses carried by mosquitoes that cause tropical diseases, such as yellow fever, West Nile, and Zika virus.
World Health Day is a global health awareness day celebrated every year on 7 April, under the sponsorship of the World Health Organization (WHO), as well as other related organizations. In 1948, the WHO held the First World Health Assembly. The Assembly decided to celebrate 7 April of each year, with effect from 1950, as the World Health Day.
A Dengue fever outbreak in the Indian state of Kerala in May and June 2017 had caused 6808 confirmed infections and 13 deaths by June 16. [102] In Sri Lanka, there were 180,000 reported cases in 2017. [103] The majority of cases being reported from the Western province. The highest numbers of dengue cases were reported during the 20 week of ...
Most people recover within a week or so. In about 5% of cases, symptoms worsen and can become life-threatening. This is called severe dengue (formerly called dengue hemorrhagic fever or dengue shock syndrome). [21] [23] Severe dengue can lead to shock, internal bleeding, organ failure and even death. [24]
Severe dengue is defined as that associated with severe bleeding, severe organ dysfunction, or severe plasma leakage while all other cases are uncomplicated. [26] The 1997 classification divided dengue into undifferentiated fever, dengue fever, and dengue hemorrhagic fever. [5] [29] Dengue hemorrhagic fever was subdivided further into grades I ...
Over the last twenty years, there has been a geographic spread of the disease. Dengue incidence rates have risen sharply within urban areas which have recently become endemic hot spots for the disease. [61] The recent spread of Dengue can also be attributed to rapid population growth, increased coagulation in urban areas, and global travel.
A public service announcement (PSA) is a message in the public interest disseminated by the media without charge to raise public awareness and change behavior. Oftentimes these messages feature unsettling imagery, ideas or behaviors that are designed to startle or even scare the viewer into understanding the consequences of undergoing a particular harmful action or inaction (such as pictures ...
Share of children who received key vaccines in 2016 [62] Global vaccination coverage among one year olds (1980–2019) [63] The World Health Organization (WHO) has estimated that vaccination prevents 3.5–5 million deaths per year, [ 9 ] and up to 1.5 million children die each year due to diseases that could have been prevented by vaccination ...