Before revision: Viral fusion proteins are attached to the membrane of enveloped viruses (a group that includes Coronaviruses, Dengue, HIV and Influenza) and catalyze fusion between the viral envelope and host membrane , enabling the virus to insert its genetic material into the host cell.
After revision: Viral fusion proteins are attached to the membrane of enveloped viruses (a group that includes Coronaviruses, Dengue, HIV and Influenza) and catalyze fusion between the viral and host membranes , enabling the virus to insert its genetic material into the host cell.