<span class="searchmatch">R0s</span> plural of R0...
"R-zero": (General American) IPA(key): /ɑɹˈzɪɹoʊ/ (Received Pronunciation) IPA(key): /ɑːˈzɪəɹəʊ/ R0 (plural <span class="searchmatch">R0s</span>) R0 (“basic reproductive rate”) nought R -0r...