Dengue fever is an infectious viral disease transmitted by mosquitoes in tropical and sub-tropical climates. Most people with dengue fever suffer unpleasant symptoms, such as fever, headache and vomiting, but will make a full recovery. However, repeated infections can result in a form of haemorrhagic fever.…

Diphtheria is a serious bacterial infection that may cause a fever, breathing difficulties and swollen lymph nodes. Without treatment, it can lead to severe complications. It is now a rare condition in developed nations due to the widespread use of the diphtheria vaccine.…

Typhoid fever is caused by a strain of salmonella bacteria. It is transmitted via contaminated food or water, and can cause severe diarrhoea and a rash. Typhoid fever is much more common in developing countries.…

Mosquitoes can transmit a variety of disease-causing microorganisms, including many kinds of viruses and several kinds of parasites. Often, different species of mosquitoes, found in different locations, will transmit different diseases.…

Rabies is a serious viral infection that is passed on through the bite of an infected animal. It causes fever, pain and extreme changes in behaviour and can even be fatal. Following some advice can help prevent this condition.…

Traveller's diarrhoea is an infection of the gastrointestinal tract that mainly affects travellers, typically due to poor sanitation. It usually causes urgent and frequent diarrhoea. This can be unpleasant and potentially lead to dehydration. It is important to keep hydrated and medications may be needed to help with symptoms.…