RESPIRATORY VIRUSES - created from Mind Map

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Influenza virus

Coronavirus

Rhinovirus

Respiratory Syncytial virus

Parainfluenza virus

Family: Orthomyxoviridae

Enveloped

Helical capsid

8 segments (-) single-stranded RNA (ssRNA)

80-120nm

Envelope

(+) Single-stranded RNA (ssRNA)

Helical capsid

Bulbous surface projections creating an image reminiscent of a royal crown or of the solar corona under EM

Family: Coronaviridae

70-120nm

Naked

Icosahedral capsid

(+) Single-stranded RNA (ssRNA)

30nm

Family: Picornaviridae

Family: Pneumoviridae

Enveloped

Helical capsid

(-) Single-stranded RNA

F proteins on the surface of the virus cause the cell membranes on nearby cells to merge, forming syncytia.

120-200nm

Family: Paramyxoviridae

Enveloped

Helical capsid

(-) single-stranded RNA (ssRNA)

150-250nm

Genus

cause CROUP

Respirovirus (HPIVs-1, HPIVs-3)

Rubulavirus (HPIVs-2, HPIVs-4)