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.…

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.…

Cholera is an infectious disease that causes severe diarrhoea. It is usually acquired by consuming contaminated food or water during travel to areas where cholera is common. The greatest danger is the dehydration diarrhoea causes. Following some advice can help prevent this condition.…

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.…

Yellow fever is an infectious viral disease transmitted by mosquitoes in tropical and sub-tropical climates. It can be fatal, and is a serious health concern. A vaccine is available and is routinely given to people who live in, or are intending to travel to, countries where the disease is common.…

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.…