Despite Extensive Evaluations, Long COVID Causes Remain Unclear
Clinical and immunologic evaluations of people with post-acute sequelae of SARS-CoV-2 infection (PASC) — otherwise known as long COVID — showed a high burden of persistent symptoms but most cases pointed to no specific cause, NIH researchers reported. Fatigue, labored breathing, chest discomfort, parosmia, headache, insomnia, memory impairment, anxiety, and impaired concentration were the most […]