Five years into the Covid-19 pandemic, research reveals how the virus causes long-term health issues, termed long Covid, affecting about 400 million people worldwide. Initial knowledge focused on immediate dangers, particularly for those with existing health conditions. Gradually, scientists have begun to understand the persistent symptoms like chronic fatigue and brain fog. Other implications, such as lung and heart damage, and gut microbiome alterations may occur but aren't always recognized as long Covid. Persistent inflammation post-infection is a key factor contributing to these complex health outcomes, altering the body in various ways over time.
After years of research, we've started understanding how Covid can lead to long-term health issues, such as chronic fatigue, heart damage, and brain fog.
400 million people worldwide have been diagnosed with some form of long Covid, where longstanding symptoms persist for at least three months after infection.
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