some microbes cover their antigen markers (protein configuration) with a carbohydrate based material that does not have antigen properties. this covering is called the capsid
Most experts agree that viruses don't encode any of the proteins required for the glycosylation process. However, some viruses, like Ebola2 and HIV3, embellish their capsid proteins with discrete-sized (6–12 unit) oligosaccharides that are fully synthesized and attached by the host glycosylation machinery. The glycans of these viruses therefore mimic those of the host.
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