female people in a medical mask,suffering from colds,acute asthma attack,tired exhausted asian child girl with dyspnea,short

acute allergic allergies allergy asian asthma attack back breathing child colds concept coronavirus covid19 difficulty disease down dust dyspnea exhaustion face fatigue female gasp girl ill illness infected infection mask medical patient people person protective reopening respiratory rest rhinitis school schoolgirl short stairs student symptoms thai tired uniform walk weakness wearing wheezing