Travel Vaccines and Advice for Guinea-Bissau

• Typhoid – Typhoid, a bacterial infection, is primarily transmitted through contaminated food, water, or direct contact with infected people. Vaccination is a key preventive measure, recommended for travelers to endemic regions and those at risk due to occupation.
• Hepatitis A – Hepatitis A is an infectious liver disease caused by the hepatitis A virus, often spread through contaminated food or water, or via direct contact with someone infected. It leads to liver inflammation, potentially impairing its function, and manifests as symptoms like tiredness, stomach pain, nausea, and yellowing of the skin or eyes. The vaccine for hepatitis A offers robust protection against this virus. It is typically given in two doses over a six-month period and is advised for those traveling to regions with higher risk or for people more likely to come into contact with the virus.
• Yellow Fever – Yellow fever, spread by infected mosquitoes, poses a significant health threat, especially in parts of Africa and South America. Vaccination is the cornerstone of prevention, offering strong immunity to travelers. The vaccine’s effectiveness and long-lasting protection make it a critical tool in curbing the disease’s spread.
• Rabies – The rabies virus is a deadly threat that spreads through bites and scratches from infected animals. Preventing rabies involves timely vaccination, avoiding contact with wildlife and seeking immediate medical attention if bitten. The rabies vaccine is instrumental in developing immunity and safeguarding against this fatal disease.
• Hepatitis B – Hepatitis B is a serious liver infection caused by the hepatitis B virus, transmitted through blood, sexual contact, or from mother to child during birth. It can become chronic, leading to liver failure or cancer. The hepatitis B vaccine, given as a series of injections, effectively prevents this infection.
• Meningitis – Meningitis is an inflammation of the membranes covering the brain and spinal cord, caused by viruses, bacteria, or other microorganisms. Symptoms include headache, fever, and stiff neck. The meningitis vaccine protects against various bacterial forms of the disease. Administered through injection, it is crucial for prevention in high-risk groups.
• Measles, Mumps, Rubella (MMR) – Measles, mumps, and rubella are highly contagious viral infections. Vaccination is the cornerstone of prevention. The MMR vaccine, with its two-dose regimen, ensures strong immunity, reducing the risk of disease transmission and protecting both individuals and the broader population from these potentially severe illnesses.

Yellow fever vaccination is required for entry to Guinea-Bissau. All travelers over the age of nine months must show proof of vaccination upon arriving in the country. Vaccination is also recommended by the CDC and WHO to keep travelers protected against the virus.

Malaria is present in all regions of Guinea-Bissau. Travelers are advised to take antimalarials to protect themselves from infection. Atovaquone, doxycycline, mefloquine and tafenoquine are recommended for travelers to the region. Malaria parasites in Guinea-Bissau are resistant to chloroquine. Speak with your travel health specialist to identify which antimalarial is best for your trip and medical history.

Bug bite prevention strategies involve wearing appropriate clothing and utilizing EPA-approved repellents such as DEET or picaridin, as suggested by the CDC. Stay cautious during peak bug activity periods, clean the affected area, refrain from scratching, and consider over-the-counter remedies while promptly consulting a healthcare professional for severe reactions.

Safeguard your health while abroad by consuming cooked and hot foods, opting for bottled or sealed drinks, and practicing proper hand-washing. Limit your exposure to risky local dishes. To prevent travelers’ diarrhea, maintain these precautions: eat carefully prepared foods, avoid untreated water, sanitize your hands, consider probiotics, and exercise caution with unfamiliar cuisine.

• African Tick-Bite Fever – Prevent African Tick-Bite Fever (ATBF) by wearing protective clothing, applying insect repellent, and regularly inspecting for ticks. For added defense, discuss options with healthcare experts before planning trips to endemic areas.
• Leishmaniasis – Leishmaniasis, transmitted by sand fly bites, can be prevented by adopting protective measures such as using insect repellents, covering exposed skin, and staying indoors when sand flies are active.
• Schistosomiasis – Schistosomiasis, a parasitic disease transmitted through contaminated water, poses a health risk. Prevention strategies include avoiding freshwater activities and wearing protective clothing. Prompt medical attention is necessary if symptoms like fever or abdominal pain occur.
• Zika – The Zika virus, transmitted by Aedes mosquitoes, poses risks such as birth defects and sexual transmission. Preventing Zika involves using repellent, practicing safe sex, and eliminating mosquito breeding sites.