Why no one knows if you can catch COVID-19 twice
There have been a handful of cases in the past couple months, described by physicians, where people have fully recovered from COVID-19 only to feel ill and then test positive again for the novel coronavirus. (Unsplash/)Earlier this week, Washington, DC-based physician D. Clay Ackerly described a worrying experience with a patient of his who tested positive for the coronavirus that causes COVID-19 three months after catching the disease in Vox. After dealing with a mild cough and sore throat during his initial infection, the patient was now experiencing more severe symptoms, including a high fever, shortness of breath, and dangerously low oxygen levels.“Despite scientific hopes for either antibody-mediated or cellular immunity, the severity of my patient’s second bout with COVID-19 suggests that such responses may not be as robust as we hope,” Ackerly wrote, adding, “If my patient is not, in fact, an exception but instead proves the rule, then...