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Effective Vector Control Measures for Dengue Fever Prevention
Communicable Diseases

Effective Vector Control Measures for Dengue Fever Prevention

Prevention is better than cure. So vector control is the primary strategy for preventing dengue virus transmission, as there is currently no specific antiviral treatment and vaccination coverage remains limited in most endemic areas. The management of dengue hemorrhagic fever and shock syndrome is very difficult to avoid death. The main targets are Aedes aegypti […]

Communicable Diseases

Dengue Prevention Strategies in High-Burden Countries

Effective prevention and control strategies used (dengue fever) in high-burden countries High-burden countries employ a range of integrated, multi-pronged strategies for effective prevention and control vector-borne diseases like dengue fever Integrated Vector Management (IVM ) Major countries such as Brazil, Thailand, and India  use IVM approaches combining targeted insecticide use, source reduction, biological control, and […]

Dengue
Communicable Diseases

Dengue Virus Transmission: Vertical (Transovarial) and Horizontal Pathways

A. Transovarian Transmission of Dengue Virus Transovarian transmission of the dengue virus means that a mother Aedes mosquito can pass the virus to her babies through her eggs. This helps the dengue virus stay alive and continue spreading among mosquitoes even when no humans around them are infected. Key Points on Transovarian Transmission   Mechanism The […]

Signs and Symptoms of Dengue Fever
Communicable Diseases

Signs and Symptoms of Dengue Fever

Signs and Symptoms of Dengue Fever Common Signs and Symptoms of dengue fever are1) High Fever: up to 40°C or 104°F, typically sudden onset 2) Severe headache: Severe headache and pain behind the eyes (i.e., retro-orbital pain) 3) Muscle, Joint & bone Pain often called “breakbone-fever” 4) nausea, vomiting and poor appetite 5) Rash (macular or […]

Transovarian transmission of dengue virus
Communicable Diseases

Transovarian transmission of dengue virus

Transovarian transmission of dengue virus refers to the passage of the virus from an infected female Aedes mosquito to her offspring through the eggs. This mechanism allows the dengue virus to be maintained and propagated within mosquito populations even in the absence of ongoing human infections. Key points on Transovarian transmission 1. Mechanism The virus […]

Communicable Diseases

Dengue Transmission Cycle

The transmission cycle of dengue fever involves a human–mosquito–human cycle transmitted by infected female Aedes mosquitoes. Transmission Cycle Steps The cycle begins when a female Aedes mosquito bites an infected human and then transmits the virus to a new human. 1. Mosquito Bites an Infected Human A female Aedes mosquito feeds on a person infected […]

Dengue
Communicable Diseases

Dengue Fever—Communicability & Laboratory Diagnosis

Period of Communicability The period of communicability in dengue fever refers to the time during which an infected person can transmit the virus to mosquitoes, which then can spread it to other humans. Laboratory Diagnosis of Dengue Fever The laboratory diagnosis of dengue fever relies on detecting the virus, its components, or the immune response […]

Hypertension
Non Communicable Diseases

Hypertension

Hypertension, or high blood pressure, is a medical condition characterized by persistently elevated pressure in the arteries. It is typically defined as a systolic blood pressure ≥140 mmHg and/or diastolic blood pressure ≥90 mmHg. It results from the force of blood pushing against the wall of blood vessels as the heart pumps blood. Hypertension makes […]

Household Mosquito Control Measures
Communicable Diseases

Household Mosquito Control Measures

The best household control measures to interrupt the Aedes aegypti transmission cycle focus on eliminating mosquito breeding sites. preventing mosquito bites and reducing the mosquito population around homes. Control Measures 1. Get Rid of Still Water Empty or clean anything that collects water, like flower pots, pet bowls, buckets, old tires, and blocked drains. Mosquitoes […]

Communicable Diseases

Morbidity Management and Disability Prevention (MMDP)

Lymphoedema Lymphoedema is a chronic manifestation of lymphatic filariasis (LF), occurring due to progressive edema and repeated acute attacks. The affected organs typically include the legs, hands, breasts, and genitalia. Obstruction to lymph flow causes the accumulation of extra fluid in the tissue spaces, which results in swelling of the affected part. The adult worms […]

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