Hi Taran D,
Thank you for giving me your time. This is my first time landing in Canada ,and I received a letter which informed me to contact a officer within 30 days with my address and contact information in Canada. There was no deadline date provided in that letter. As for my plan, I may need to leave from Canada for a certain period and then return. I have noticed similar case in this thread and ,and I would like to know that procedure for my situation.
Regarding your answer, I am curious as to why person under medical surveillance would need to take tablets. According to my understanding, they just want to make sure that the person's condition is inactive. if it is active, the further steps may be required to cure the disease. Thanks.