<s>[INST] West Nile has been found in our home town and my daughter whose immune system is not good do to meds she takes has been bitten by mosquitos and woke up feeling like shes sick headaches slight body aches and tired how can I tell if its the virus or not [/INST] Hello, Welcome to Chat Doctor, This is an arbovirus disease which is transmitted by Rule mosquito, most of the time in human beings is subclinical (cause no symptoms). In the cases where symptoms occur it may be fever, headaches, fatigue, muscle pain or aches, malaise, nausea, anorexia, vomiting, myalgic and rash. Similar any other viral infection it will also have the symptoms. Diagnosis of West Nile Virus infections is done by geologic testing, virus-specific antibody IGM and neutralizing antibodies. You need to confirm your diagnosis by undergoing lab investigations. Thank you. </s>