Summary
Chick embryo tracheal organ culture was found to be a suitable system for the propagation of Influenza A 2 (Hong Kong) virus. Growth of the virus could be detected by the appearance of hemadsorption and immunofluorescence as early as 12 hours after infection. Cytopathic changes appeared before the cessation of ciliary activity. All of the above mentioned changes were found to be reliable indicators of viral growth and did not occur if influenza A 2 (Hong Kong) virus was mixed with specific antiserum and inoculation was made with this complex.
Comparisons were made with infected primary rhesus monkey kidney cells, the system commonly used for isolation and propagation of influenza A 2 (Hong Kong) virus. The peak virus titre in the infected organ culture fluids was reached in 24 hours after inoculation as compared with 60 hours in primary rhesus monkey kidney cells.
The chick embryo tracheal organ culture system is at least as sensitive as the rhesus monkey kidney cell cultures and is more readily available because of the continuous availability of fertile eggs in every laboratory.
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Submitted in partial fulfilment of the requirements of the degree Master of Science, University of Toronto.
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Blaskovic, P., Rhodes, A.J. & Labzoffsky, N.A. Infection of chick embryo tracheal organ cultures with influenza A 2 (Hong Kong) virus. Archiv f Virusforschung 37, 104–113 (1972). https://doi.org/10.1007/BF01241156
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DOI: https://doi.org/10.1007/BF01241156