 A new drug has been developed which targets two key proteins involved in the spread of the SARS-CoV-2 virus. This drug, called RN-4, has shown promise in laboratory tests where it was able to block the virus from entering host cells. The drug is expected to have minimal side effects and could potentially be used to treat patients infected with the virus. This article was authored by Chunfang Hu, Tinghua, Yunting Zhu, and others.