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Diseases in Africa, What to Watch Out for

By Edited Jan 27, 2014 2 2

What You Need to Know on Your Visit to Africa

Africa is shrouded in mystery. It's a continent full of varied flora, wildlife and biomes. It is an alluring place for the western world to want to explore, to vacation and to discover the roots of all human civilization. While a traveler can have the time of their life in Africa, there are many dangers to be aware of and prepare for.

 

Map of Africa(118075)

Diseases

There are many diseases in Africa that are lethal to the unprepared traveler. While some can be easily avoided by simple actions, such as washing your food before you eat it; others require a little more effort such as immunization. Be warned that there are still some diseases in Africa that have no cure. 

Transmission by Insects

Malaria

Malaria is the most notorious communicable disease in Africa. It is spread by mosquitos. The disease is carried in the saliva of infected female mosquitos and is introduced into the host when the mosquito feeds on their blood.

Symptoms of Malaria include headaches, fever, vomiting, joint pains and, in severe cases, can cause the infected individual to slip into a coma or die.

Symptoms of Malaria(118074)

Prevention of Malaria

Mosquito nets around beds and cots will repel mosquitos while asleep. In addition, the use of powerful bug repellent sprays can keep the threat of mosquitos at bay.

There is currently no vaccine for Malaria, but there are prescription drugs that can help prevent and cure malaria. It is recommended you speak to your doctor about these medications before venturing into Africa.

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A mosquito net will help keep mosquitoes and other disease-carrying bugs out of your sleeping area. Prevention is the best form of protection from these dangerous illnesses.

Dengue Fever

Dengue Fever is also transmittable via mosquito bite. Its symptoms include headaches, muscle pains, joint pains, fever, skin rash and, in severe cases, low blood pressure and bleeding.

Prevention of Dengue Fever

There is no cure or vaccine as of yet. The most effective form of prevention is to use mosquito nets and bug spray at night. 

Treatment for Dengue Fever is generally rehydration via IV and blood transfusions. Most infections, however, are mild and do not need special treatment.

Transmission through Water and Food

Cholera

Cholera is a food and waterborne bacteria that can be deadly. Symptoms include chronic diarrhea and vomiting. This can lead to dehydration and electrolyte imbalance. If left untreated if can lead to death.

Boiling water - close up
Prevention of Cholera

The bacteria can be destroyed with heat. Proper cooking of food and proper boiling of water prior to consumption will kill the bacteria. When possible drink only bottled beverages and skin fruits and vegetables yourself under sanitary conditions.

If infected, seek medical attention. Oral and intravenous rehydration will be required. There are also several antibiotics that can be prescribed by a doctor to quicken recovery. A vaccine is available but only proves to be about 50% effective in resisting infection.

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Hepatitis A

Hepatitis A is a disease that affects the liver. Its transmission stems from poor sanitation conditions of food and water. Its symptoms resemble that of the flu virus: fever, abdominal pain, fatigue and nausea.

Prevention of Hepatitis A

The vaccination for Hepatitis A is very effective and is the best route to avoid infection. Implementing proper sanitation of food and water (cooking and boiling thoroughly) will kill any traces of the virus before ingestion.

Transmission through Contact

Hepatitis B

Hepatitis B is transmitted by exposure to body fluids from an infected individual. Symptoms include fatigue, nausea, vomiting, loss of appetite, dark urine and mild fevers. The infected individual could then develop jaundice. People who are chronically infected with Hepatitis B are at a higher risk of developing liver cancer and cirrhosis.

Prevention of Hepatitis B

The vaccine for Hepatitis B is effective and is recommended. Safe sexual contact, sterilization of medical and tattooing equipment and screening blood before transfusions are all ways to significantly reduce exposure to the Hepatitis B virus.

Most cases of Hep B clear on their own but the administration of antiviral medication can hasten this process.


Tuberculosis Symptoms
Tuberculosis

Tuberculosis is an often lethal, mycobacterial disease that attacks the lungs. Symptoms include coughing with bloody phlegm, weight loss, fatigue and fever. The infection can then spread to other organs causing a myriad of other symptoms.

Tuberculosis is spread through the aerosol droplets of infected individuals when they speak, spit, sneeze or cough. Inhalation of these droplets can lead to infection.

Prevention of Tuberculosis

Vaccination is the preferred method of prevention. Keeping in well ventilated areas and keeping a distance from people who might be infected are also important components of prevention.

If you think you might be infected, seek immediate medical attention.  Treatment includes prolonged and often varied use of antibiotics to eradicate the Tuberculosis cells.

Conclusion

Be aware of the various diseases in Africa and take the proper precautions, but do not let the fear of infection hinder your travels. Africa is an amazing, beautiful continent with sights and experiences you will not find elsewhere. 

For Further Reading

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Comments

Dec 3, 2012 4:16pm
jengojengo
Interesting article. They actually had an outbreak of Dengue Fever in Hawaii while we were stationed there. Freaked me out!
Dec 4, 2012 4:23pm
craigadaytrip
I would totally be freaked out too!
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Bibliography

  1. "Diseases." The Forgotten Continent. 2/11/2012 <Web >
  2. "Malaria." Wikipedia. 02/11/2012 <Web >
  3. "Dengue fever." Wikipedia. 02/11/2012 <Web >
  4. "Cholera." Wikipedia. 02/11/2012 <Web >
  5. "Hepatitis A." Wikipedia. 2/11/2012 <Web >
  6. "Hepatitis B." Wikipedia. 02/11/2012 <Web >
  7. "Tuberculosis." Wikipedia. 02/11/2012 <Web >

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