Stories about coronavirus patients testing positive for the illness after they thought they had recovered have cropped up around the world.<br />But according to Huff Post, scientists say it's best to take reinfection stories with a healthy dose of skepticism.<br />False positives can arise when a dead fragment of the virus is detected in a recovered patient still harboring bits of the virus’s non-infectious material.<br />Also, COVID-19 symptoms can vary widely. Some don't experience any at all, while others present them for weeks. Scientists are still learning why.<br />Patients could falsely test positive, then accurately test negative, then actually sicken from the virus, leading them to believe they might have had it twice.
