Vaping affects how body reacts to flu viruses like Covid 19, study suggests sometimes even more than regular smoking South China Morning Post WHO EMRO Smoking and vaping increases your chances of developing a severe case of COVID 19 CASA Youth Become Teens as Teachers Address Dangers of E cigarettes to Science 7 Classes Manhasset CASA Dangers Electronic Cigarette, Second Effects, Passive Vaping Le Petit Vapoteur