Cov khoom siv hluav taws xob hauv tshuab hluav taws xob tau raug txwv hauv Brazil txij li xyoo 2009, tab sis tseem muaj cov khw muag khoom uas muag cov khoom no, feem ntau nrog cov lus hais tias lawv muaj kev nyab xeeb.Qee tus neeg sib cav tias yogelectronic nebulizer khoommuaj nyob ntawm txoj kev thiab hauv online, yog vim li cas txwv lawv?Yog tias tsis muaj kev txwv, lub tebchaws no tuaj yeem them se rau lawv qhov muag.

Hauv kev teb, Stella Biaros, tus neeg Brazilianluam yeebtus kws tshaj lij thiab tus kws tshaj lij ntawm University of California, San Francisco, tau hais tias: "Hauv xyoo 2019, tsawg dua 1% ntawm cov neeg Brazil sivcov khoom siv atomizer, thiab yog tias raug cai, tus lej no yuav nce nrawm dua. "