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Author(s): Author 1, Author 2, et al

Between 10% and 20% of the estimated hundreds of millions of people infected worldwide with SARS-CoV-2 in the first 2 years went on to develop long-term symptoms. While many recover over time, doctors who have treated long COVID since 2020 said they see some patients still wrestling with the condition after 4 years.

Author(s): Solarina Ho

This is a test post to check that the DOI references work correctly (hide before site goes live).

Author(s): Testy McTesterson DOI: https://doi.org/10.3352/jeehp.2013.10.3

“People who have recovered from long COVID can suffer relapses or flare-ups from new viral infections — not just from COVID but from cold, flu, and other viral pathogens, researchers have found.

In some cases, they may be experiencing what researchers call viral interference, something also experienced by people with HIV and other infections associated with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)...”

Author(s): Tinker Ready

“BERLIN — To date, mRNA vaccines have had their largest global presence in combating the COVID-19 pandemic. Intensive research is underway on many other potential applications for this vaccine technology, which suggests a promising future. Martina Prelog, MD, a pediatric and adolescent medicine specialist at the University Hospital of Würzburg in Germany, reported on the principles, research status, and perspectives for these vaccines at the 25th Travel and Health Forum of the Center for Travel Medicine in Berlin….”

Author(s): Klaus Fleck, MD