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Study Says Ultraviolet Irradiation & Outdoor Spraying are Ineffective Modes of Preventing COVID-19

Sade Oguntola at reports experts say that unlike the use of face masks and hand hygiene, isolation and quarantine, physical distancing, the use of ultraviolet irradiation and spraying of outdoor spaces and individuals are ineffective because they cannot control the spread of COVID-19 in the community. In a new study, experts’ review of effective non-pharmacological COVID-19 intervention indicated that the penetration of a covered surface by ultraviolet irradiation is limited and disinfectants are easily inactivated by dirt, preventing them from having enough contact time to kill disease-causing germs. They added that “Spraying of outside spaces such as streets…
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