85% of patients with the so-called "postcoid syndrome" persist at least 4 neurological symptoms, as found by scientists from the health care system of Northwestern Medicine. Postcoid syndrome or the so-called long covid has already been included in the ICD-10 in the wording Post COVID-19 condition. Scientists from all over the world are still collecting data on its manifestations and duration. Fog in the head, headaches and muscle aches, disturbances in taste and smell - these symptoms do not let go of people who have had a coronavirus infection for months. According to Medportal.ru, the aforementioned specialists analyzed the range of neurological manifestations among 100 patients with postcoid syndrome. The average age of the participants was 43 years, most of them women. All participants suffered from mild to moderate COVID-19, without pneumonia and the need for hospitalization. Five months after recovery, 85% of people had at least 4 neurological symptoms. Most often, patients complained of constant fog in the head, which interferes with the full performance of daily duties, headaches and muscle pains, impaired sense of smell and taste. Many patients also reported other symptoms such as chronic fatigue, shortness of breath, chest pain. Overall, nearly six months after recovery, all participants reported that they did not feel completely healthy.

On average, they rated their recovery rate as 64%. The study authors noted that the condition of people with postcoid syndrome most often improves over time, but in some patients symptoms persist for more than 9 months.