i couldnt access comments and profile is private so consider this a public message. if you believe something is up, contact the local police. Steam mod page is not a spot for you to report this. And yes i am holding the view that this is very likely a troll thread. Second posbilitly however is much more freightining.
ive read your account of the situation and police and healthcare workers in on a conspiracy with your sister to poison you indicates Paranoid schizophrenia. Get help.