Virus immunity unlikely to be permanent

Both worldwide and locally, evidence is mounting that it’s possible to contract COVID-19 more than once, putting a serious damper on hopes that herd immunity could one day bring an end to the pandemic. As with other types of coronavirus, it appears that a person’s immunity will only last so long.

The Laramie Boomerang reported on Thursday that an Albany County resident had tested positive for the second time, around six months after first testing positive in March. Amy Surdam, chief operating officer for Stitches Acute Care Center, told the Boomerang: “There are lots of known reinfections occu...