What is Hepatitis A

Hepatitis A is a viral infection, which affects the human liver. The hepatitis A virus is usually ingested via contaminated food or water and is endemic to countries with an insufficient sanitation system. It can spread rapidly and is known to cause sudden epidemics.

After an incubation period of 2 – 4 weeks, patients usually develop hepatitis A symptoms such as fever, digestive problems and jaundice. The severity of the symptoms varies in different people and can range from mild to very severe. In rare cases, hepatitis A can lead to complications such as cholestasis and liver failure.

According to the World Health Organisation, every year there are about 1.4 million cases of hepatitis A worldwide.

What is Typhoid

Typhoid fever is caused by a bacterium called Salmonella typhi. It is a highly contagious and potentially lethal disease, which spreads via contaminated foods and water. As typhoid bacteria are primarily found in faeces, the infection is particularly common in regions with poor sanitation.

Common symptoms of typhoid fever include a high temperature, headaches, nausea, muscle pain, digestion problems such as constipation or diarrhoea, tiredness and confusion. Some patients also experience a rash.

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