Symptoms include fever, headache, muscle and joint pains, and a skin rash. In a small proportion of cases the disease develops into the life-threatening dengue hemorrhagic
fever, resulting in bleeding, low levels of blood platelets or into dengue shock syndrome, where dangerously low blood pressure occurs.
Dengue fever affects millions of people worldwide, with estimates suggesting that around 390 million dengue infections occur annually. Approximately 96 million of these cases manifest clinically, leading to symptoms. The disease is prevalent in tropical and subtropical regions, putting about 3.9 billion people at risk of infection. The burden of dengue varies by region, with significant outbreaks reported in Southeast Asia, the Americas, and the Western Pacific.
The mode of transmission of the dengue virus primarily occurs through the bite of infected female mosquitoes, particularly Aedes aegypti and Aedes albopictus. These mosquitoes acquire the virus by feeding on the blood of an infected person and can then transmit it to other humans. Dengue is not directly transmitted from person to person, but outbreaks can occur in areas where the mosquito populations are high and conditions are favorable for their breeding.
Dengue fever can occur when a mosquito carrying the arbovirus bites a human, passing the virus on to the new host.
Dengue epidemics have occurred multiple times throughout history, with significant outbreaks reported in various regions. One notable outbreak occurred in 2019, particularly in Southeast Asia and the Americas, resulting in thousands of cases and fatalities. Another major epidemic happened in the 1970s and 1980s, particularly in the Caribbean and Southeast Asia, marking the first time dengue fever was recognized as a global health threat. These outbreaks highlight the increasing prevalence and impact of dengue fever worldwide.
Dengue fever is are acute febrile diseases which occur in tropics. Dengue fever is a disease transmitted by a mosquito bite
A dengue duo typically refers to the co-circulation of two different serotypes of the dengue virus, which can lead to more severe forms of the disease if a person is infected with a second serotype after recovering from the first. This phenomenon increases the risk of dengue hemorrhagic fever or dengue shock syndrome, making it crucial for public health monitoring in affected regions. Understanding the dynamics of dengue duos helps in implementing effective prevention and control measures to reduce outbreaks.
As of my last update in October 2023, controlling dengue in Pakistan has been a significant challenge due to factors like climate, urbanization, and public health infrastructure. Efforts have included public awareness campaigns, vector control strategies, and vaccination initiatives. However, the effectiveness of these measures has varied, and outbreaks still occur, necessitating ongoing vigilance and improvement in response strategies. Continued investment in health infrastructure and community engagement is essential for better control of dengue in the region.
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Dengue fever primarily affects people living in tropical and subtropical regions. Key preconditions for dengue transmission include the presence of Aedes mosquitoes, particularly Aedes aegypti and Aedes albopictus, which thrive in urban environments with standing water. Additionally, factors such as high population density, inadequate sanitation, and climate conditions like temperature and rainfall can increase the risk of outbreaks. Public health measures and community awareness are crucial in reducing the spread of dengue.
Yes, numbness in the hands and legs can occur in some cases of dengue fever, though it is not a common symptom. This may be related to complications such as dengue hemorrhagic fever or dengue shock syndrome, which can affect the nervous system. If experiencing numbness or other unusual symptoms, it is important to seek medical attention promptly.
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also known as infantile diarrhea, or winter diarrhea, because it mainly targets infants and young children. The outbreaks are usually in the cooler months of winter.