woman sneezing feeling sick with flu symptoms

2019 allergens allergic allergy bad care cartoon character cold contagion contagious coronavirus cough coughing covid disease drawing epidemic female flu germs girl handkerchief health ill illness illustration immune infected infecting infection lung lungs napkin ncov pandemic paper person problem propagation respiratory saliva sick sickness sinus sneeze sneezing spreading sternutation suffering symptom system tissue transmission transmitting unhealthy unwell vector viral virus woman young