What are the main diseases in Africa?

What are the main diseases in Africa?

With malnutrition as a common contributor, the five biggest infectious killers in Africa are acute respiratory infections, HIV/AIDS, diarrhea, malaria and tuberculosis, responsible for nearly 80% of the total infectious disease burden and claiming more than 6 million people per year.

How Dengue is caused?

Dengue is a mosquito-borne viral disease that has rapidly spread in all regions of WHO in recent years. Dengue virus is transmitted by female mosquitoes mainly of the species Aedes aegypti and, to a lesser extent, Ae. albopictus. These mosquitoes are also vectors of chikungunya, yellow fever and Zika viruses.

Why dengue is dangerous?

Severe dengue happens when your blood vessels become damaged and leaky. And the number of clot-forming cells (platelets) in your bloodstream drops. This can lead to shock, internal bleeding, organ failure and even death. Warning signs of severe dengue fever — which is a life-threatening emergency — can develop quickly.

Which organs are affected by dengue?

Based on the fact that the liver is one of the main organs affected by dengue35,36,37,38 and that lungs and heart are also important sites involved with the severe disease13,37,39,40,41, samples from all these three organs were considered.

How does dengue kill you?

Dengue is transmitted via the bite of mosquitoes that carry the viruses. It is an unpleasant disease that can cause high fever, severe headache, and joint and muscle pain. But in some people, it can also cause small blood vessels to leak, which can lead to failure of the circulatory system, shock, and death.

Can you die of dengue?

Dengue is often a leading cause of illness in areas with risk. Each year, up to 400 million people get infected with dengue. Approximately 100 million people get sick from infection, and 22,000 die from severe dengue.

Can someone get dengue twice?

Yes, dengue can strike you again and again. You can get infected with dengue not once, twice but multiple times, with each subsequent infection being deadlier than the ones before.

Can I get dengue twice?

A patient can get dengue from two or more different strains of dengue. Hence a patient can suffer from dengue more than once. When Dengue Strikes Twice: When patients are infected with the dengue virus they can come down with dengue hemorrhagic fever and suffer massive internal bleeding and liver damage.

Does dengue go away by itself?

The virus can cause fever, headaches, rashes, and pain throughout the body. Most cases of dengue fever are mild and go away on their own after about a week.

Are you immune to dengue after having it?

After recovering from a first dengue infection, a person is protected from infection with the remaining three dengue serotypes for two to three months. Unfortunately, it is not long-term protection, and after that short period, a person can be infected with any of the remaining three dengue serotypes.

Is Second Time dengue curable?

A Second Time Dengue Infection Can be Life-Threatening Says Research. New Delhi: A second dengue infection can be life-threatening, new research shows. This is because, for decades, scientists have thought that there are four genetically-distinct types of the deadly dengue virus.

What happens if you get dengue a second time?

Among patients with a second dengue infection, patients can develop hemorrhagic fever, which causes them to bleed abnormally from the nose, gums or under the skin. Less than 15 % people who catch dengue for the second time develop such hemorrhagic fever or shock.

Which fruit is good in dengue fever?

Oranges are rich in antioxidants and Vitamin C, orange and its juice also help in treating and eliminating the dengue virus.

How long do dengue antibodies last?

IgM antibodies become detectable 3 to 7 days following infection and may remain detectable for up to 6 months or longer following disease resolution.

How can we build immunity to dengue?

Building a strong immune system is one great method to fight dengue….Dengue fever prevention: Immunity boosting foods

1. Citrus foods. Citrus foods are rich in vitamin C which helps in building strong immunity.
2. Garlic.
3. Yogurt.
4. Spinach.
5. Almonds.
6. Turmeric.
7. Ginger.

Does dengue weaken immune system?

Researchers discover how dengue suppresses the human immune system. Scientists have discovered a new pathway the dengue virus takes to suppress the human immune system. This new knowledge deepens our understanding of the virus and could contribute to the development of more effective therapeutics.

Is dengue a flavivirus?

Dengue, the most important flavivirus, is transmitted between humans by Aedes mosquitoes. Recent work is elucidating the pathogenesis of its most severe form, dengue haemorrhagic fever.

Is dengue a bacteria or virus?

Dengue virus disease (dengue fever, or ‘dengue’) is a viral disease spread by mosquitoes in many tropical and subtropical parts of the world including Africa, Asia, South America and occasionally, some parts of northern Queensland.

Is dengue a protozoan disease?

In general, malaria is a protozoa infectious[4]–[6]. The pathogen is one of five human pathogenic species of Plasmodium. The main mosquito vector is Anopheles. Whereas dengue is a viral infection[7]–[9].

Is dengue a infectious disease?

Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses.

Is dengue bite visible?

Dengue fever symptoms may be visible for seven days after a dengue mosquito bites you. They can disappear after a week. In cases of mild dengue fever, the dengue signs and symptoms will likely not turn into anything serious or fatal.

What are the signs of recovery from dengue?

Some of the common symptoms of viral dengue fever include high fever, headache, body aches, weakness, joint pain, loss of appetite, cold and cough, nausea, vomiting and skin rashes and nose bleeding. Most patients suffering from dengue fever recover within two weeks.

Which age group is affected by dengue?

The rapid increase in the number of cases during the year 2016–17 became a public health concern in northern India as the majority of those affected were in age Group IV (13–18 years) and second common affected age was Group III (7–12 years) [Table 1].

Who is most affected by dengue?

In hyperendemic areas in Asia, dengue fever (DF) and dengue haemorrhagic fever (DHF) affect mainly children under 15 years of age. The age distribution is different in the Americas where these syndromes occur in all age groups, although the majority of fatalities during epidemics occur in children.

Who is prone to dengue?

Anyone who lives in or travels to an area with risk of dengue is at risk for infection. Before you travel, find country-specific travel information to help you plan and pack. Forty percent of the world’s population, approximately 3 billion people, live in areas with risk of dengue.

What is the last stage of dengue?

Warning signs of progression to severe dengue occur in the late febrile phase around the time of defervescence, and include persistent vomiting, severe abdominal pain, fluid accumulation, mucosal bleeding, difficulty breathing, lethargy/restlessness, postural hypotension, liver enlargement, and progressive increase in …

How recover from dengue fast?

Diet tips for dengue for fast recovery

1. Foods to eat.
2. Papaya leaf juice. Papaya leaf juice is a quite famous remedy for dengue fever.
3. Vegetable juices. Vegetables are rich in essential nutrients.
4. Coconut water. It is recommended to drink coconut water in dengue to avoid dehydration.
5. Herbal tea.
6. Neem leaves.
7. Foods to avoid.

Is hospitalization required for dengue?

Doctors say most dengue cases can be managed in the outpatient departments of hospitals and only the most severe cases need hospitalisation. The World Health Organisation or WHO has released an advisory on the symptoms in patients that should lead to hospitalisation.

What happens if dengue is not treated?

If dengue hemorrhagic fever is not treated right away, a person can have heavy bleeding and a drop in blood pressure, and could even die. People with dengue hemorrhagic fever need to be treated in a medical facility immediately.