The first symptoms of Ebola virus disease, which usually appear suddenly, include fever, fatigue, weakness and muscle aches and pains.
hepatitis
Diphtheria
Diphtheria is an infectious disease, which usually affects the upper respiratory tract. Onset of respiratory diphtheria is gradual, with symptoms such as mild fever, sore throat, fatigue and hoarse voice.
Travel vaccinations
Travel immunisations are important in pre-trip planning to certain countries. Vaccinations that travellers may need include tetanus and diphtheria, hepatitis A and B, and typhoid vaccinations.
What is Japanese encephalitis (and should I be worried?)
Japanese encephalitis – a vaccine-preventable viral illness that is spread by mosquitos – can cause inflammation of your brain (encephalitis).
Dehydration and hot weather
Dehydration is the loss of water and salts from the body. You are at particular risk of dehydration during hot weather.
Yellow fever
Yellow fever is a vaccine-preventable illness of varying severity caused by an infection with a virus spread by certain mosquitoes.
Mosquito-borne diseases
Some diseases spread by mosquito bites cannot be treated and may produce long term problems or death.
Hepatitis: an overview
Hepatitis can cause permanent and life-threatening damage to the liver. Hepatitis A, B and C are caused by viruses.
Pancreas and insulin: An Overview
Your pancreas has 2 functions: producing digestive enzymes; and producing the hormones insulin and glucagon to regulate blood sugar.
Jet lag: how to avoid it
Spending a few hours travelling by air can make you feel low, tired and lethargic. This is called jet lag.
