Prof Mike BarerMESHAL HASSAN ZAWLAN ASIRI2022-06-042022-02-212022-06-04110244https://drepo.sdl.edu.sa/handle/20.500.14154/66060Recently, Barer's research team investigated the use of face masks to detect TB, Covid-19 and other microbes. They have shown that FMs are a modern, low-cost and acceptable method of sampling. The latest results of the research group revealed the presence of exhaled outputs of various microbe, and it is clear that they do not require coughing, sneezing, or any other efforts generally associated with the transmission of pathogen (Williams et al., 2020)29enThesis