Long COVID Immune Profiling

"Compare IL-6 level , as a marker of inflammation in all the 3 groups:~* POTS patients~* post-COVID-19 POTS~* gender, age, and BMI-matched controls, with history of COVID-19 infection without sequelae."

"Compare Proinflammatory cells and its secreted cytokines (IL-17, and IFN-ɣ) in all the 3 groups:~* POTS patients~* post-COVID-19 POTS~* gender, age, and BMI-matched controls, with history of COVID-19 infection without sequelae"

Autonomic symptoms assessment questionnaire (COMPASS 31), in post-COVID-19 POTS and compare with POTS patients