Karnataka govt declares dengue epidemic as Bengaluru records highest number of cases; here’s what it means (Image credit: iStock)
Dengue fever has been steadily increasing in Bengaluru and other parts of the state. As per the latest reports, Karnataka has recorded 25,408 dengue cases and 12 deaths. Bengaluru has the highest number of dengue patients with over 11,000 active cases. Other areas like Mandya, Hassan, Mysuru and Kalaburgi also have many active cases. Therefore, as dengue cases are continuously increasing, the Karnataka government has declared it an epidemic and is taking strict measures to curb the spread.
The State Health Department has warned homeowners that they will be fined if mosquito breeding sites are seen near their residences. A fine will be imposed on homeowners who fail to clean their surroundings and help curb the virus. Owners of active construction zones who provide space for mosquito breeding will be fined Rs 2,000.
But when does a disease become an epidemic? Let’s see.
What is an epidemic?
An epidemic occurs when a disease spreads rapidly among a significant proportion of the population within a specific geographic area. For a disease such as dengue to be classified as an epidemic, the number of reported cases must exceed expected or reference levels for that particular area and time of year. For example, in regions where dengue is endemic, there may be an expected increase in cases during the rainy season when mosquito populations are at their peak. However, when the number of cases significantly exceeds these expected levels, this is a sign of the beginning of an epidemic.
Dengue has been wreaking havoc in Bengaluru. Dengue transmission is highly dependent on environmental factors, particularly those that affect mosquito breeding, such as rainfall and temperature. These conditions lead to an increase in dengue cases.
State health authorities have been monitoring dengue cases through surveillance systems that track the number of cases and their geographic distribution. When these systems detect an increase in cases that exceeds the epidemic threshold, an official epidemic declaration can be made.
Tips to protect yourself from dengue fever
Use mosquito repellent
The most effective way to prevent dengue is to use mosquito repellents. These creams should not be applied more than 3 times a day and the duration of protection varies depending on the brand.
Wear long-sleeved clothing
Wear clothing that covers you completely. Wear long-sleeved shirts, long pants, and closed-toe shoes instead of sandals.
Keep windows and doors closed
Mosquitoes that transmit dengue viruses are most active from dawn to dusk and keep windows and doors closed during these hours.
Keep the environment clean
Always keep trash cans clean. Do not let dirt accumulate to prevent mosquitoes from entering.
Use light camphor
Use mild camphor as it will help keep mosquitoes away.
Repair of tanks and pipes
Repair broken septic tanks and cover vent pipes with wire mesh if available at home.
Avoid mosquito-prone areas
Mosquitoes are native to tropical and humid climates, a description that applies to almost all of our country. Aedes mosquitoes are especially common in urban and semi-urban areas.
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