Ndi zoona kuti timadwala nthawi zambiri m'nyengo yozizira. Mu 2006, kafukufuku adawunikidwa pa 15 000 chiŵerengero cha imfa zopitirira muyeso zimene zimachitika chaka chilichonse m’nyengo yozizira ku France.

Ngati izi zikuwoneka zoonekeratu kwa onse Matenda a ENT, monga nasopharyngitis, tonsillitis, laryngitis, matenda a khutu, kapena chimfine, izi ndizochitika kwa matenda a mtima pathologies ndipo kawirikawiri matenda onse okhudzana ndi vasocontriction ndi vasodilation.

Chifukwa chake, tikuwona a kufa pang'ono koma kwenikweni m’miyezi yachisanu.