- This One COVID Symptom May Never Go Away, Doctors Warn Yahoo Lifestyle
- Gravitas: Wuhan: Over 75% of hospitalised patients still suffer from Covid symptoms WION
- Doctors say be aware, there’s one COVID-19 symptom that may be permanent for some PennLive
- Intestinal bacteria may affect severity of COVID-19, researchers find New York Post
- COVID-19 symptoms can last 6 months or longer, new Wuhan study says Deseret News
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