Aedes aegypti mosquitoes spread dengue to people through bites.

Dengue infections are spread to individuals through the nibble of a tainted Aedes species (Ae. aegypti or Ae. albopictus) mosquito. These mosquitoes likewise spread Zika, chikungunya, and other infections.
Close to half of the total populace, around 4 billion individuals, live in regions with a gamble of dengue. Dengue is much of the time a main source of sickness in regions with risk.
Every year, up to 400 million individuals get contaminated with dengue. Around 100 million individuals become ill from contamination, and 40,000 bite the dust from serious dengue.
Dengue is brought about by one of any of four related infections: Dengue infection 1, 2, 3, and 4. Thus, an individual can be contaminated with a dengue infection upwards of multiple times in the course of their life.

Dengue fever is an intense irresistible illness brought about by the dengue infection, which is sent to people by mosquitoes. Dengue fever is normal in tropical and subtropical areas. For instance, in many adjoining Southeast Asian nations, dengue fever has turned into an endemic sickness. There are four unique serotypes of dengue infection, every one of which can cause dengue fever and extreme dengue fever (otherwise called dengue hemorrhagic fever).

side effects

Side effects of dengue fever incorporate high fever, serious migraine, retro-orbital torment, muscle and joint agony, queasiness, spewing, enlarged lymph hubs and rash. Certain individuals might have no undeniable side effects subsequent to being contaminated with the dengue infection, while others will just have gentle side effects like fever. For instance, kids might have general fever side effects and rashes when they become sick.

The main contamination with dengue fever is by and large gentle, and long lasting invulnerability to this serotype infection will foster after recuperation, yet just halfway and momentary cross-insusceptibility to the next three serotype infections. The possibility creating extreme dengue is higher with resulting disease with other serotypes of dengue infection.

Serious dengue fever is an entanglement brought about by dengue fever, which can prompt passing. Patients with serious dengue fever at first present with high fever, facial redness, and general side effects related with dengue fever. The high temperature can last 2-7 days, and the internal heat level could actually reach as high as 40-41 degrees Celsius. Afterward, patients might encounter cautioning side effects like serious stomach torment, determined spewing, windedness, weakness, anxiety, and draining side effects like ecchymosis on the skin, draining from the nose or gums, or even inward dying. In the most serious cases, it can prompt circulatory disappointment, shock and demise.

way for spreading

Dengue fever is communicated to people through the chomp of a female Aedes mosquito that conveys the dengue infection. At the point when a dengue patient is nibbled by a vector mosquito, the vector mosquito will convey the infection, and in the event that it chomps others, it will have the chance to spread the infection. The illness doesn’t spread from one individual to another. Aedes aegypti, which essentially communicates dengue fever, has not been found in that frame of mind lately, however Aedes albopictus, which can likewise send dengue fever, is a typical mosquito animal groups.

brooding period

Brooding period is 3 – 14 days, normally 4 – 7 days


There is right now no treatment for dengue and extreme dengue. Individuals with dengue fever ordinarily recuperate all alone, and indicative treatment can assist with easing uneasiness. Extreme dengue patients should get opportune strong treatment, and the primary reason for treatment is to keep up with the activity of the blood circulatory framework. With appropriate and ideal determination and treatment, the death pace of extreme dengue fever is under 1%.

Avoidance technique

There is at present no antibody against dengue fever enrolled in Hong Kong. The most ideal way to forestall dengue fever in Hong Kong is to eliminate standing water, forestall mosquito rearing, and keep away from mosquito nibbles.
Ways of forestalling mosquito-borne illnesses

Wear baggy, light-hued long-sleeved tops and pants, and apply DEET-based bug repellent to uncovered skin and apparel.
Play it safe about the outside:
Keep away from scented cosmetics or healthy skin items
Reuse bug repellent as coordinated
Notes for voyaging abroad:
Assuming you intend to make a trip to an area or nation where the connected illness is endemic, you ought to counsel your PCP a month and a half or prior before flight and play it safe to try not to be nibbled.
While going to the wide open in endemic regions, bring versatile mosquito nets and use permethrin (a bug spray) on the nets. Never put permethrin on your skin. In the event that you feel unwell, look for clinical consideration at the earliest opportunity.
Logical examination has shown that regardless of whether a tainted individual who is asymptomatic or has no side effects is chomped by a mosquito, quite possibly the infection will be sent to the mosquito, which will then, at that point, bring on additional transmission. Subsequently, sightseers should keep on involving bug anti-agents as hostile to mosquito measures for 14 days in the wake of getting back from impacted regions. In the event that you feel unwell, for example, a fever, you ought to look for clinical consideration as quickly as time permits and educate the specialist regarding your schedule subtleties.
Keep mosquitoes from developing

forestall water aggregation
Change the water in the container one time per week
Stay away from the utilization of grower plate
tight top water holder
Ensure the climate control system undercarriage is liberated from water
Put involved containers and jugs in a covered garbage bin
Stay away from mosquito reproducing
Store food and discard trash appropriately
Pregnant ladies and youngsters a half year or more established can utilize bug repellants that contain DEET. In the event that kids travel to nations or locales where mosquito-borne illnesses are endemic and might be nibbled by mosquitoes, youngsters who are two months old or more seasoned can utilize DEET at a convergence of 30%. For subtleties on the utilization of bug anti-agents and focuses to note, see “Safety measures for Using Insect Repellents”.

For more data on mosquito reproducing counteraction, kindly visit the site of the Food and Environmental Hygiene Department:

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