Ключевые слова: air, airborne, airplane, biohazard, contamination, diseases, emergency, epidemic, equipment, fear, filtered, filtration, gas, global, hazardous, hazards, health, isolated, isolation, man, mask, measures, outbreak, pandemic, personal, ppe, precaution, precautionary, protection, protective, public, quality, quarantine, respiratory, risk, safety, toxic, transportation, travel, virus,