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Dengue In Delhi: Over 900 Cases Reported In October, Taking Toll To 1,876
Delhi dengue update: 304 new cases of dengue reported in Delhi.
Dr. Sachin Shelke
Internal Medicine
Dr. Sachin Shelke
Internal Medicine
Dengue, a mosquito-borne disease, is prevalent in areas with tropical and subtropical climate. According to the Center for Disease Control and Prevention, this infection is common in more than 100 countries around the world. The estimate of this world body suggests that around 3 billion people live in dengue-prone areas. These include India and parts of South East Asia, China, Africa, Taiwan and Mexico among others. In 2019 alone, India saw more than 67,000 cases of dengue, as suggested by the figures released by the National Vector Borne Disease Control Programme (NVBDCP). This report also reveals that 2017 was the worst year for India in terms of dengue with 1.88 lakh cases and 325 deaths.
Dengue refers to a mosquito-borne viral infection characterised by high grade fever, headache, muscle and joint pain, and skin rashes. Transmitted through the bite of aedes mosquitoes, this infection is caused by four closely-related serotypes of a virus of the flaviviridae family: DENV-1, DENV-2, DENV-3 and DENV-4. Though these viruses are self-limiting and don’t last for more than 10 days, the infection, in severe form, can cause dengue haemorrhagic fever (DHF). This condition leads to heavy bleeding, a sudden drop in blood pressure, a decrease in the platelet (clot-forming cells) count in the blood, and even death. Rapid and weak pule, hypotension, cold and clammy skin, undetectable blood pressure and shock represent the final stage of DHF and is known as dengue shock syndrome (DSS).In extreme cases, immediate hospitalisation is required. There is no specific treatment for dengue. The approach is that of symptomatic and therapeutic management of the patient.
Transmission of the dengue virus can take place in the following ways:
Dengue fever can be mild or severe. The symptoms also vary accordingly. Many, especially kids and teens, may not even experience the manifestations of dengue if it is mild. The symptoms of mild form of this condition set in in four to seven days after a person being infected and subside within a week. The symptoms include high grade fever (104°F) and at least two of the following:
Causes
As already mentioned, dengue is caused by the aedes mosquitoes. Various factors can increase your risk of being infected by this viral infection. Here, we shed light on a few of them:
In May 2019, the US Food and Drug Administration approved a dengue vaccine named Dengvaxia for use only in kids in the age bracket of 9 to 16 years with a history of the infection. However, it is not yet approved for use in India. Dengue is a communicable disease which is spread by mosquitoes to humans. The only way it can really be prevented in the absence of a vaccine is by avoiding mosquito bites. So, you have to rely on mosquito repellents, mosquito nets, net screens on your doors and windows, and clothes that cover you well (long-sleeve shirts, full-sleeve trousers, etc.). Here are some other measures you can employ:
The diagnosis of dengue is usually done based on a patient’s symptoms and physical examination, especially in endemic areas (region where the particular disease is more prevalent). Your doctor may suggest the following tests after evaluating your symptoms:
Complete Blood Count: This test reveals your platelet count. Low count of these cells is a crucial marker of dengue.
ELISA test for dengue NS1 Ag: This is a confirmatory blood test which detects the dengue virus antigen. However, it may show negative results during the initial stages of infection. So, this test may need to be repeated if symptoms persist.
PCR for detecting viral DNA: This test can be more effective in the first 7 days of infection, when NS1 Ag test may show negative results despite the infection.
Serum IgG and IgM test: This test helps in the diagnosis of the condition at a later stage. Once the virus sneaks into the body, the immune cells start producing antibodies IgG and IgM against the dengue virus. The level of these antibodies increases gradually. This test is a useful indicator of a prior infection or acute infection depending on antibodies detected.
There is no specific medicine for dengue since it is a viral disease. However, your doctor may suggest a pain or fever reliever like paracetamol to control the symptoms. Another important aspect of dengue control is keeping yourself hydrated. So, drinking plenty of clean water is necessary. However, people with severe symptoms may need hospitalisation. In an extreme case, one may need intravenous fluid or electrolyte supplementation, constant blood pressure monitoring and even blood transfusion or platelets transfusion.
Drugs such as aspirin or ibuprofen should not be taken since they can increase the risk of bleeding.
Prognosis
Full recovery is seen in most patients with dengue infection. However, the risk of death increases in patients who develop dengue haemorrhagic fever or dengue shock syndrome.
Complications
If a dengue infection is severe, it can affect your lungs, liver and heart. Blood pressure can drop dangerously, triggering shock. In extreme cases, it may be fatal too. Here is what happens to the body if this infection is severe:
A healthy, well-planned diet will help in the fast recovery from dengue fever. Make sure your meals are easy to digest as the performance of your gastrointestinal tract may be sluggish during this condition. While adding some foods to your diet may relieve symptoms some food items should be avoided.
Delhi dengue update: 304 new cases of dengue reported in Delhi.
Plasma is the liquid part of the blood that is devoid of platelets. People suffering from Dengue have to be administered with platelets which plasma lacks.
When there is a mosquito repellant on the skin, the mosquitoes are repelled by its odour and lose their appetite for blood
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Delhi dengue update: 304 new cases of dengue reported in Delhi.
Plasma is the liquid part of the blood that is devoid of platelets. People suffering from Dengue have to be administered with platelets which plasma lacks.
When there is a mosquito repellant on the skin, the mosquitoes are repelled by its odour and lose their appetite for blood
Dengue Fever: The havoc of dengue continues, and the number of patients is increasing in Lucknow.
Most fever clinics are present within the hospital premises. Patients having fever-related or flu-related symptoms are usually directed to a separate room.
If you have any symptoms of mosquito-borne diseases or illnesses, consult your healthcare provider immediately.
There has been a record increase in dengue cases in West Bengal in August. Dengue cases have been reported seven times more in August this year than last year.
According to the data, out of 515 samples that came to the NIV in June and July 2022 were, 38% infected with dengue.
According to the NCVBDC data, dengue cases in Uttar Pradesh have increased rapidly in the past eight years in July.
You can control dengue fever by keeping the surroundings clean and not allowing water to stagnate.
ICMR prepares 100 entomologists who will tell people how to fight mosquito-borne diseases.
Did you know that there is no antiviral drug available to treat or prevent dengue? But a new team of researchers may have found a drug that will help in the fight against the vector-borne disease.
Monsoon can bring along many diseases. Here are some expert tips on how to protect your children from falling ill during rainy season.
Take this short quiz and test your knowledge about the deadly dengue disease.
Every year more than 1 million people die due to vector-borne diseases.
Here are 4 gold tests needed for early and accurate diagnosis of dengue.
Delhi registered a total of 2,036 vector-borne diseases last year, with two deaths recorded officially, according to data shared by the SDMC.
While most of us turn to insecticides to kill mosquitoes, these chemical agents have been known to many health effects. It's better to ditch those harmful repellents and opt for natural ways.
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