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2019ncov, alert, biohazard, cbrn, contagion, contagious, control, corona, coronavirus, covid19, danger, disaster, disease, disinfectant, disinfection, editorial, epidemic, fire department, firefighter, hazard, hazardous, hazmat, hazmat team, health, help, hotel, infectious, malaysia, mask, medicine, novel corona virus, outburst, pandemic, pneumonia, prevention, problem, protective, qua, quarantine, red zone, rescue, spraying, spreading, suit, transmission, treatment, virus, warning, worker,