I had my medical exam on June 2021 after 20 days iom called for additional test it was for sputum I waited 3 months and I repeat x ray+ specialist chest doctor everything was negative after 4 months ircc sent another additional test for my mom to do sputum test and X-ray I don’t really understand and so confused.I had tb history and I took my medication very well didn’t miss a single day and my additional test was clear but why for my mom why they didn’t ask us the same time waiting for 4 months does anyone experience any of this please let me know