coronavirus pandemic covid-19 diagram using golf balls plus tee`s

acute alphacoronavirus antibodies antiviral avian ball betacoronavirus bronchitis club clubshaped colored corona coronaviridae coronavirinae coronavirus course covid19 deltacoronavirus diagram disease drugs electron flu gammacoronavirus genome golf helical illnesses infections infectious influenzas mers micrograph micrographs microscope mild mology morphology nidovirales nucleocapsid orthocoronavirinae pandemic peplomers red respiratory rhinoviruses rna round sars severe solar spike spikes symmetry syndrome tract vaccines viral virion virus