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Accession Number:
AD0880926
Title:
Inhibition of Respiratory Virus Infections of Mice with Aerosols of Synthetic Double-Stranded RNA
Corporate Author:
FORT DETRICK FREDERICK MD
Report Date:
1971-02-01
Abstract:
Aerosols of double-stranded complexes of polyinosinic and polycytidylic acids poly I.poly C were effective in protecting mice infected with aerosols of influenza A2Taiwan64 or parainfluenza type 1 Sendai viruses. Administration of poly I.poly C as an aerosol offers an advantage, particularly in therapy, by eliminating the risk of pulmonary dissemination of viral infections due to intranasally instilled fluids. Treatment of mice with aerosols of poly I.poly C reduced the infection rate with influenza virus but did not inhibit virus multiplication in the lungs of most of those animals where infection became established. Sendai virus infection rates were undiminished in mice treated with poly I.poly C, but lung virus titers were significantly suppressed as compared with those of untreated animals. The maximum poly I.poly C doses 40 micrograms administered by aerosol produced no evidence of toxicity in the mice.
Pages:
0018
Distribution Statement:
Approved for public release; distribution is unlimited.
File Size:
0.56MB
