Virus

wikipedia:Virus Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants.

• Flu: types A, B, C, and D
• Cold: Rhinovirus (A, B & C), coronavirus, adenovirus and enterovirus

• RNA virus
• History of virology
• Respiratory illnesses
• Antibiotic
• Immune system

See also

• Virus, flu, cold (Rhinovirus), COVID, Shingles, smallpox, N95, HEPA