Dr. Samuel Detwiler, a primary care physician with BHS Primary Care in Chicora, said long COVID continues in the county.

In the three years since a mysterious and deadly virus called SARS-CoV-2 landed in Pennsylvania and began spreading, doctors and disease experts have learned many and varied factors about the virus that caused a global pandemic.

One of the more interesting abilities of the virus, which causes COVID-19, is its symptoms hanging on or reappearing in those who contract it.

That unfortunate circumstance is largely known as “long COVID.”

“The World Health Organization has developed a definition for post-COVID-19 (the WHO’s term for long COVID) as coronavirus symptoms that persist or return three months after a person becomes ill from infection with SARS CoV-2, the coronavirus that causes COVID-19,” said Dr. Samuel Detwiler of BHS Primary Care in Chicora.