Microtiter plates with 96, 384 and 1536 wells<unk>  (IPA) is a laboratory technique used to detect and titrate viruses that do not cause measurable cytopathic effects and cannot be measured by classical plaque<unk> s. These viruses include human coronavirus 229E and OC43.
Indirect immunoperoxidase assay
Reverse complement polymerase chain reaction
Turbidimetric inhibition immunoassay
Double-disk diffusion test
Direct agglutination test
Direct fluorescent antibody
Immunoassay
Counterimmunoelectrophoresis