🦠Long COVID is similar to other post-viral syndromes and is not a unique phenomenon.
🤒Symptoms and functional impairment after COVID-19 are comparable to those after influenza.
🌡️The prevalence of long COVID may be due to the high number of COVID-19 cases.
🔬Further research and comparison with other respiratory infections are needed to better understand long COVID.
💉Testing for the presence of spike protein antibodies can help differentiate between post-viral and post-vaccine syndromes.