Question

What is the vector of Chagas' disease? How is the disease transmitted?

Answer 1

Chagas disease is an infectious disease caused by a parasitic protist know as Trypanosoma cruzi found in the faeces of triatomine bug . The disease is transmitted via the bite of Triatomine bug .

Typically the disease has two stages .Symptoms of first stage manifested are usually mild with localised swelling, low grade fever , swollen lymph nodes and headache. However the characteristics features of this disease is that after the first stage it undergoes dormancy and manifest as second stage about 10 -20 years later and the symptoms include enlargement of ventricle of heart or enlarged oesophagus or colon.