A science class blackboard with drawings such as an uterus, a science flask, a virus and a heart shape.

Blackboard With Science And Biology Drawings

A virus icon with a circle and semi-circle shape.

Virus And Shapes

A virus shape represented by a circle with spikes inside a square shape with curved edges.

A virus iconA virus icon represented by a circle with spikes inside a rounded rectangle.

A virus illustration with four molecules. 

A virus shape represented by a circle with dots inside and spikes.

A virus shape represented by a circle with spikes.