General guidance — please double-check before you travel. Entry, health and insurance rules change and depend on your nationality. Confirm the current requirements with the official sources named below, and with your doctor and insurer, before you book and again before you leave.
See a travel-health clinic six to eight weeks before you travel for advice tailored to you and your itinerary. Cross-check current requirements with a service such as the WHO, the US CDC, or the UK's Travel Health Pro.
A yellow-fever certificate is required if you are arriving from — or have spent more than 12 hours in transit in — a country with a risk of yellow-fever transmission. It is not required if you travel directly from Europe, North America or most of Asia. Zanzibar sometimes asks to see a certificate even for arrivals from mainland Tanzania.
Make sure your routine vaccinations (including measles, tetanus and polio) are up to date. Hepatitis A and typhoid are commonly recommended; hepatitis B, rabies and cholera may be advised depending on your plans. Your travel clinic will confirm what you need.
Malaria is present across Tanzania, including Zanzibar and the lower slopes of Kilimanjaro. Take the antimalarial tablets your doctor prescribes for the whole trip, use insect repellent, cover up after dusk, and sleep under the net provided.
Bring a small personal first-aid kit and carry any regular medication in its original packaging with a copy of the prescription. On Kilimanjaro, altitude sickness is the main health risk — your trek briefing covers how it is prevented and monitored and what to do if symptoms appear.