Nanobodies against the S2 region of the spike protein potently neutralize SARS-CoV-2 viruses and show resistance to virus escape
Clarke J., Jones L., Buckle I., Sharma P., Park E., Kipar A., Kirby A., Mega D., Ramadurai S., Karmakar A., Cornish K., McCaffrey L., Campaigne H., Eyssen LE-A., James WS., Stewart JP., Carroll MW., Owens RJ.