በአዲሱ ጥናት ተመራማሪዎቹ በሚታወቀው SARS-CoV-2 spike protein ዘውድ የተከበበ ግን እውነተኛ ቫይረስ የሌለበትን "pseudovirus" ፈጥረዋል ።
In the new study, the researchers created a "pseudovirus" that was surrounded by SARS-CoV-2 classic crown of spike proteins, but did not contain any actual virus.