The common structure of a coronavirus (replicated from Wikipedia beneath CC permit 4.0). E protein = envelope protein.

 
 
  Part of: Jaber SA (2023) The effect of a small polyphenolic and terpenoids phytochemical constituent on curing and preventing of Covid-19 infections. Pharmacia 70(3): 665-672. https://doi.org/10.3897/pharmacia.70.e106534