maladie R0 p variole 4 75 rougeole-england 13 92 rougeole-US 12.5 92 coqueluche-england 17 94 coqueluche-US 13 92 rubeole-england 6 83 rubeole-germany 7 86 variole-poulet 9.5 90 diphterie 5 80 scarlatine 6 80 oreillons 5.5 80 poliomyelite 6 83 malaria-1 80 99 malaria-2 16 94