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Currently, the United States Environmental Protection Agency (EPA) registered products that claim long-lasting effectiveness are limited to those that control odor-causing bacteria on hard non-porous surfaces. The agency is currently reassessing changes that may allow such claims in response to the current coronavirus disease 2019 (COVID-19) pandemic. Unfortunately, standard procedures for testing and registration by regulatory agencies of continuously active sanitizers or disinfectants (CADs) as disinfectants useful in preventing exposure to disease causing microorganism transmission has only taken place in recent years.
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