LISBON, Portugal — In this video, Luke B. Snell, MD, MSc, MBBS, from Guy’s and St. Thomas’ NHS Foundation Trust in London, explains the case of a patient who tested positive for SARS-CoV-2 for 505 consecutive days — thought to be a record.
Snell, a specialist in infectious diseases and microbiology, said persistent infections may help researchers learn the origins of SARS-CoV-2 variants. The patient who was infected for 505 straight days tested positive for the virus 50 times before their death.
“There is some evidence to suggest that persistent infections can lead