Advanced environmental surveillance and molecular analyses indicate separate importations rather than endemic circulation of wild type 1 poliovirus in Gaza district in 2002

Article Abstract:

The findings from an improved sewage surveillance algorithm for wild and vaccine-derived polioviruses are presented. It revealed that the environmental wild type 1 isolates from the Gaza district in 2002 were imported from Egyptian southern governorates and were not linked by endemic circulation.

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Thermal inactivation of foot-and-mouth disease viruses in suspension

Article Abstract:

The heat resistance of foot-and-mouth disease virus (FMDV) strains isolated from outbreaks in Thailand is examined in phosphate-buffered saline (PBS). The results have shown that the heat resistance in PBS of FMDV strains from Thailand is less than that found in foreign epidemic FMDV strains.

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Infectivity of RNA from inactivated poliovirus

Article Abstract:

Research compares the virion infectivity and RNA infectivity of inactivated poliovirus type 1. Results suggest that the viral RNA is a primary target of ultraviolet light and hypochlorite inactivations, whereas viral caspid is a target for thermal inactivation.

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