That's when the British army surgeon Ronald Ross discovered that it was mosquitos that carried malaria, not bad air or miasmas, as was previously thought.
اين زمانى بود كه رونالد راس جراح ارتش بريتانيايى كشف كرد كه اين پشه‌‌ بود كه ناقل مالارياست، نه هواى بد يا بخار بدبو، آنطور كه قبلاً فكر مى‌‌كردند.