Investigating the Effects of Lumbrokinase in Adults With Long Covid, Post-treatment Lyme Disease Syndrome, and Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

Inclusion Criteria: * Any gender * Aged 18+ * Baseline EQ-VAS ≤70; EQ-VAS before the index infection ≥80 (this information is collected as part of the baseline survey). * Diagnosed with only one of the following conditions: * Long Covid * Documented clinical history of confirmed or suspected acute COVID-19 infection a minimum of 3 months prior to contact with the study team * Formal diagnosis of Long Covid from a physician * Post-treatment Lyme disease syndrome * Diagnosis will be based on participants meeting either Group 1 or Group 2 criteria of the Columbia Clinical Trial Network PTLDS dia…