by After a drawn-out global controversy over the coronavirus, the W.H.O. has updated its classification of how pathogens spread through the air.After a drawn-out global controversy over the coronavirus, the W.H.O. has updated its classification of how pathogens spread through the air.Read Moreyour-feed-science, Coronavirus (2019-nCoV), International Relations, Coronavirus Risks and Safety Concerns, Protective Clothing and Gear, World Health Organization, your-feed-healthcareNYT > Health
