Scientists at Israel’s Weizmann Institute and the Israel Institute for Biological Research have identified four new proteins and 19 peptides that Covid-19 infected patients produce. They believe that these may help the virus to replicate, so targeting them could lead to new treatments.

https://www.timesofisrael.com/new-coronavirus-proteins-found-by-israeli-lab-potentially-helping-drug-efforts/

https://wis-wander.weizmann.ac.il/life-sciences/profiling-covid-19-coronavirus