http://www.cdc.gov/tb/topic/basics/default.htm
首先,大家好關心的「你一啖我一啖」係唔會傳染到
「TB is NOT spread by ... sharing food or drink」(even sharing toothbrushs/kissing)
第二,再睇晒成頁都冇提咩5%,所以我唔知樓主呢個資訊係點得返黎
一係latent,冇傳染性
「Latent TB Infection People with latent TB infection are not infectious and cannot spread TB bacteria to others.」
一係有傳染性,冇得得5%傳染性