The virus envelope under an electron microscope looks like a distinct pair of electron-dense shells. The viral envelope consists of a lipid bilayer where the structural proteins of the membrane (M), the envelope (E) and the spike (S) are anchored.
Mfuniko wa virusi hizi katika picha ya kitaalamu ya elektroni huonekana kama jozi ya kipekee ya sheli nzito za elektroni. Mfuniko wa virusi una tabaka ya lipidi ambapo protini za muundo za utando (M), mfuniko (E) na ncha kali (S) zimeshikilia.