What are the preventive measures of dengue?
Answers
•Exclusion from childcare, preschool, school or work is usually not necessary but people experiencing fever from dengue infection should not be in an environment where they may be bitten by mosquitoes. If this is not possible they should stay at home until they have no fever and are therefore no longer infectious (usually 3 to 5 days).
There is no vaccine to prevent human infection by this virus.
Personal protection and the environmental management of mosquitoes are important in preventing illness.
Prevent access of mosquitoes to an infected person with a fever.
Protect yourself from mosquito bites at all times in dengue areas. For tips on how to protect yourself, see Fight the Bite.
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Use insect repellent, wear long-sleeved shirts and long pants, and control mosquitoes inside and outside your home.
Each year, an estimated 400 million people are infected with dengue virus. About 100 million get sick. Outbreaks have occurred in Southeast Asia, the Western Pacific, the Eastern Mediterranean, the Americas, the Caribbean, and Africa.
Signs and Symptoms of Dengue
Most people infected have mild or no symptoms. About 1 in 4 people infected with dengue will get sick. Mild symptoms of dengue may be confused with other illnesses that cause fever and flu-like illness. Most people will recover after about one week.
The most common symptoms are fever and one or more of the following:
Headache
Eye pain (typically behind the eyes)
Muscle, joint, or bone pain
Rash
Nausea and vomiting
Unusual bleeding (nose or gum bleed, small red spots under the skin, or unusual bruising)
Severe dengue is an emergency. Recognize the warning signs.
Warning signs: Watch for signs and symptoms of severe dengue to develop 24-48 hours after fever goes away.
If you or a family member develops any of these warning signs, go to a local clinic or emergency room immediately:
Severe stomach pain or vomiting (at least 3 vomiting episodes within 24 hours)
Bleeding from the nose or gums
Vomiting blood or blood in the stool
Drowsiness or irritability
Pale, cold, or clammy skin
Difficulty breathing
If you think you may have dengue
See your healthcare provider.
Your healthcare provider may order tests to look for dengue or similar viruses, like chikungunya or Zika.
If you are sick with dengue
Take acetaminophen or paracetamol to control fever and relieve pain. Do not take aspirin or ibuprofen.
Get plenty of rest and drink fluids to prevent dehydration.
During the first week of infection, dengue virus can be found in your blood. If a mosquito bites you, it can become infected and spread the virus to other people through bites. To help prevent others from getting sick, protect yourself from mosquito bites during the first week of illness.
Rest in a screened or air-conditioned room or under a bed net while you have a fever.
Prevent Dengue: here’s how
No vaccine is available in the United States.
No medicine is available to treat dengue.
Avoid infection by preventing mosquito bites. Mosquitoes that spread dengue virus bite during the day and night.
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