Building the mishkan - together
We have a general rule that טומאה הותרה בציבור This means that if the cohanim or the tzibbur are tomeh tumas mes then the cohanim can still bring korbanos tzibbur . For example, the mishna says in Pesachim (77b): חמשה דברים באין בטומאה ואינן נאכלין בטומאה העומר ושתי הלחם ולחם הפנים וזבחי שלמי צבור ושעירי ראשי חדשים “Five korbanos are brought if the kohanim are tomeh but are not eaten be’tumah (because they do not need to be eaten for klal yisroel to have a kaporoh) – the korban omer, the shtei halechem on shavuos, the lechem haponim , shlomim brought by the tzibbur and the korban chatos for rosh chodesh.” The beis halevi asks as follows: The gemara says that “ yisroel sheomdu al sinai poskoh zuhamoson ” – when klal yisroel came to har Sinay they reached a madrega of Adam harishon before the chet of the etz hadaas, and would have lived forever had they not done the chet haegel. This is what the possuk means in tehillim – ‘ ani amarti elokim atem uvenei elyon ...