All out flash guard is a new and advanced technique of killing mosquitoes. Although it is a effective way of killing mosquitoes but you should be very careful while using it. It may effect your health if precautions are not taken. You just need to fold and burn this card but you should kept in mind that nobody is nearby this card till it burnt properly.
Because the infectious smoke can surely kill mosquitoes but it can effect your health to. So I just recommend that be careful while using it otherwise use some other measure for killing mosquitoes.