Reply To: Is hydroxychloroquine really proven ineffective?? Home › Forums › Decaffeinated Coffee › Is hydroxychloroquine really proven ineffective?? › Reply To: Is hydroxychloroquine really proven ineffective?? October 24, 2020 11:06 pm at 11:06 pm #1913049 MDGParticipant GH, Please stop writing “Trumpkopf”. It makes you sound stupid.