Abstract
Immunofluorescence assay (IFA) is a highly versatile and sensitive assay for detection and titration of chikungunya virus (CHIKV). The IFA technique requires virus-infected cells (viral antigen) and antibodies specific to the viral antigens for detection. Suitable antibodies for detection include monoclonal antibodies specific to CHIKV structural and nonstructural proteins, polyclonal antibodies, and convalescent serum samples. Here, the details of virus antigen preparation, detection by IFA method, and applications are described. The described IFA method is potentially useful in a wide range of studies including virus growth kinetics and virus infection mechanism studies. Additionally, the described IFA method can be modified for applications in arbovirus diagnosis, including CHIKV.
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