people littering of garbage of used medical masks throw in the crevices of the bushes,hazardous waste,risk of disease,spread of

2019ncov air bin bug bushes can carelessly city concept contamination coronavirus crevices dangerous dirty disease environmental floor flu garbage germ habits hazardous hygienic infectious litter littering mask medical negligently outdoor people plastic pollution prevent protection public respiratory risk rubbish sars sidewalk sloppy spread street throw trash unsanitary virus waste wuhan