The challenge of undestanding post-viral syndromes

Post-viral syndromes are a wide range of complex conditions involving physical, cognitive, emotional, and neurological difficulties that vary in severity over time. These conditions frequently lead to a sense of tiredness and weakness, pain, difficulty concentrating and headaches that linger after the viral infection has cleared.

Various microbial and viral infections have been identified as possible triggers for post-viral syndromes, including SARS-COV-2, Epstein-Barr Virus, Cytomegalovirus, Human Herpesvirus, Enteroviruses, HPV and Zika, among others.

Long COVID represents a significant public health challenge in the post-COVID-19 era with around 10% of SARS-COV-2 infections leading to Long COVID with over 60 million people around the world suffering from ongoing symptoms.

The exact underlying reason why people suffer from post-viral syndromes is not fully understood, however several factors are believed to play a role. These factors include problems with the immune system, such as ongoing chronic inflammation, autoimmunity, improper functioning of T-Cells and sometimes the reactivation of viruses that were previously dormant in the body. Currently, there are no reliable diagnostics for the early detection of post-viral syndromes, including Long COVID.