Loktu donyi virus be cell dǝro kawsa sǝkǝye awu dawu yekoben gǝye karama tiyi lan naptǝ kǝlazǝ be dayin. Daji kare donyi geneticbe (DNA or RNA) ro waljin, tiyi gǝrtama protein coatye du capsidlan butin dǝro, loktu wa laan diya lipidsbe dayin.