Home > Lifestyle > How to travel safely > Conditions of concern Conditions of concern All sections in Travel Health » Conditions of concern » Modes of Travel » Travel diet and fitness » General Travel Advice » Travel Health News Tick bite fever Tick bite fever is caused by a bacterial infection transmitted by ticks. Quiz Wilderness Survival Skills » Ask EnviroHealth Expert » Assess Test your sun sense » Join Heart to Heart » 8 healthy snacks to fill you Weird things found in airport security Diarrhoea Diarrhoea is an abnormal increase in the frequency and liquidity of the stools. Malaria kills, even in South Africa For a nation that enjoys spending time outdoors and trips to the bushveld, many South Africans are lax about protecting themselves from malaria, says Health24's Travel Expert. Malaria Malaria is an infection of red blood cells caused by a single-celled parasite. Altitude sickness Altitude sickness, also called mountain sickness, is an illness that occurs when the body is unable to adjust to high elevations. Symptoms of mountain sickness range from a mild headache and fatigue to a life-threatening build-up of fluid in the lungs or brain. SARS (Severe Acute Respiratory Syndrome) SARS (Severe Acute Respiratory Syndrome) “ Latest comment on Health24 Bennie Boekwurm says... Carbs = glucose (sugar) it's all about our sugar. The secret to losing weight ” Malaria: an African story In 2007 Bill and Melinda Gates announced that malaria would be eradicated by 2015. Doctors battling the disease on the ground responded: “One day. But not in our lifetimes.” Lyme disease Lyme disease is an infection caused by Borrelia burgdorferi. Parasites Parasites are organisms which live in or on another organism and harm that organism. load more articles advertisement From our sponsors Migraines – more than just a headache Fifty and fabulous! There’s something newly cool about turning 50 Keeping your skin soft, moisturised and winter-ready The health benefits of donating blood Live healthier » Novel health supplement now available in SA stores Omega Caro-E, a locally developed and patented fish oil supplement is now available in South Africa. » Reduce bladder leakages by clenching Stirling Gravitas, gold medallist at life, explains how to beat those bladder leakages!