Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
2019ncov air allergy background bacteria biohazard breathing clean contaminated contamination control coronavirus danger defense disease diseases dust epidemic equipment face factor filter flu health influenza isolated mask molecule n95 noncommunicable nose pandemic particle pf pm25 pollution ppe prevention protect protection protective security sick transmission virus warning wearing white wuhan