by Joe Messenger | Nov 24, 2025 | Lab Testing and Diagnosis
PCR, Culture, and Serology — What They Are, How They Work, and Which STIs Use Which Test Most people have no idea how laboratories actually diagnose infections. They imagine swabs going onto petri dishes or believe that all tests work the same way. In reality, there...
by Joe Messenger | Nov 24, 2025 | Lab Testing and Diagnosis
Understanding the Difference and Why It Matters Most people never think about the difference between qualitative and quantitative tests. They just want to know if they have an infection or not. But this distinction is fundamental, and misunderstanding it can lead to...
by Joe Messenger | Nov 24, 2025 | Lab Testing and Diagnosis
People often want to know the “window period,” meaning how soon after a sexual encounter a test can reliably detect an infection. We hesitate to emphasize this topic because most people search for window period charts when they are scared. Something happens, anxiety...
by Joe Messenger | Nov 24, 2025 | Lab Testing and Diagnosis
The Number One Reason STI Tests Go Wrong Here is something very few people understand. Most false negatives in sexual health happen not because the lab made a mistake and not because the test itself malfunctioned. They happen because people are being tested in the...
by Joe Messenger | Nov 24, 2025 | Lab Testing and Diagnosis
What Is CLIA and What Does It Cover? The Clinical Laboratory Improvement Amendments (CLIA) of 1988 are U.S. federal standards that apply to virtually all facilities that test specimens from humans for health assessment, diagnosis, prevention, or treatment of disease....