Procedures for laboratory viral diagnosis Virus infected patients Check the infected cells Observe virus under light microscope Collected specimens particles under electronic microscope Virus culture and Detection of viral antigen Serology test isolation or genome antibody test Identify viral propagation Antigen Genome Neutralization test Hemagglutination CPE inhibition test Hemadsorption Immunofluoresence PCR EIA/ELISA Hemagglutination EIAELISA Southern blot Western Blot Virus interference Western Blot Northern blot Neutralization test Immunoelectrophesis Dot blot Plaque assay Radio immune assay In situ hybridization TCiD50 assayVirus infected patients Collected specimens Check the infected cells under light microscope Observe virus particles under electronic microscope Virus culture and isolation Serology test antibody test Detection of viral antigen or genome Identify viral propagation Antigen Genome Neutralization test Hemagglutination inhibition test EIA/ELISA Western Blot Immunofluoresence EIA/ELISA Western Blot Immunoelectrophesis Radio immune assay PCR Southern blot Northern blot Dot blot In situ hybridization CPE Hemadsorption Hemagglutination Virus interference Neutralization test Plaque assay TCID50 assay Procedures for laboratory viral diagnosis