Common ColdEchinaceaRhinovirusCold TemperatureNasal DecongestantsNasal Lavage FluidNasal SpraysPicornaviridae InfectionsMulti-Ingredient Cold, Flu, and Allergy MedicationsAntitussive AgentsNasopharyngitisCoronavirus 229E, HumanSneezingGluconatesNasal LavageExpectorantsRespiratory Tract InfectionsPhytotherapyNonprescription DrugsZinc AcetateVirus UncoatingHumidityCoronavirus InfectionsCoronaviridae InfectionsHistamine H1 AntagonistsNasal MucosaCoronavirusCoronavirus OC43, HumanSulfinic AcidsZinc CompoundsMucusPlant PreparationsLipid MetabolismCarrageenanAscorbic AcidPharyngitis