الكليفورنيا الجنوبية Kaiser Permanente ran a quiet internal experiment in Southern California on the COVID-19 swab tests the country was using in the first half of 2020. Office staff on the business side were split: half actually used the swab, half submitted unused kits. The lab was not told. Unused swabs came back positive. In one California office group, every blank came back positive. That is not a diagnostic. That is noise dressed up as a result.
The trial was not published as a journal paper at the time. Workers and clinicians who saw the numbers described false positives on blanks, and a positivity rate that could not be trusted to decide who got isolated, who got fired, and who got a hospital bed. Emergency-use PCR assays were sensitive enough to pick up dead viral fragments weeks after a person was no longer infectious. Cycle-threshold cutoffs were not standardized. Two labs could call the same sample opposite ways.
(أسبانيا) تخلصت من مجموعة المواد الصينية التي وضعها الأطباء بحوالي 30 بالمئة دقيقة وقالت المملكة المتحدة إن ملايين المواد المستوردة غير موثوقة. "الهند" تُدعى "فقيرة الدقة" A 2021 Journal of Occupational and Environmental Medicine وخلصت الدراسة التي أجريت في وقت لاحق عن " SARS-CoV-2 RT-PCR " في قوة عاملة كبيرة في الولايات المتحدة إلى أن من بين 239 حالة إيجابية بعد تجريب اختبارات ما قبل الخدمة، كانت 54 - 22.6 في المائة - تعتبر إيجابية زائفة. هذا هو نفس النوع من المشاكل شعب (كايزر) قد شاهدوا بالفعل على بلاستيك غير مستخدم
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Later FDA-authorized PCR tests got better. The CDC now calls PCR the gold standard. Rapid antigen tests miss people who are actually infectious; specificity sits around 99 percent when used as directed. None of that rewinds 2020. Schools, jobs, travel, and hospital beds were allocated on a diagnostic that a healthcare giant’s own staff had already watched fail a blank swab.
The AEGIS Alliance reported it because a healthcare giant testing its own kits in secret is the definition of a conflict the public was not supposed to see. Kaiser still publishes member-facing COVID testing guidance. The blank-swab trial never became a press release. Related: our CARES ملف القانون, رسالة الإجازات ليوم واحد.. قتل (بينج ليو)وأكثر أخبار الصحة.
