Spore and germs present in the air
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Spore and germs present in the air. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Spore and germs present in the air. Wellcome Collection. Source: Wellcome Collection.