July 7, 2022 – People who get reinfected with the virus that causes COVID-19 have more health risks with each round of reinfection, a large national database study reveals. Researchers saw worse health effects during active infection, but some symptoms lasted as long as 6 months, suggesting a direct link between reinfection and long COVID. … Read more
Prof Francois Balloux, from University College London, said: “The higher estimated re-infection ability of the Omicron variant to cause re-infection is not overly surprising and could be largely anticipated based on the large number of mutations in the spike protein carried by the omicron variant, which increase the Omicron variant’s ability to bypass host immunity.” … Read more
By Robert Preidt HealthDay Reporter FRIDAY, June 4, 2021 (HealthDay News) — In some good news for those who have already suffered through a bout of COVID-19, a new study finds they may have a much lower risk of reinfection for at least 10 months. For the study, the researchers analyzed rates of SARS-CoV-2 … Read more
Joel Ernst, MD, professor of medicine and chief of the division of experimental medicine, UCSF School of Medicine, San Francisco. Santosha Vardhana, MD, PhD, assistant professor of medicine and attending physician, Memorial Sloan Kettering Cancer Center, New York. Nicolas Vabret, PhD, assistant professor of medicine, Icahn School of Medicine at Mount Sinai, New York. Medline … Read more
Oct. 14, 2020 — An 89-year-old woman from the Netherlands has become the first person known to die after catching COVID-19 a second time. It’s unclear how representative her case may be. The woman was undergoing chemotherapy for blood cancer. The treatment is known to lower the immune system’s ability to function. During … Read more
An 89-year-old woman in the Netherlands has reportedly become the first known person to die of coronavirus after contracting it twice. Reports say the elderly woman was suffering from a rare kind of bone marrow cancer known as Waldenström’s macroglobulinemia. According to a report in CNN, the woman’s immune system was “compromised” following a therapy … Read more
A 25-year-old man in Nevada, US was re-infected with coronavirus and the second infection was “more severe” than the first one, a study published in The Lancet on Monday said. Unlike the first time when he contracted Covid-19, the patient had to be hospitalised and put on oxygen support during re-infection as he developed breathing … Read more
The report raises questions about how much immunity can be built up to the virus and how long it may last. Source link
Oct. 12, 2020 — A 25-year-old man from Nevada and a 42-year-old man in Virginia experienced second bouts of COVID-19 about 2 months after they tested positive the first time. Gene tests show both men had two slightly different strains of the virus, suggesting that they caught the infection twice. Researchers say these are … Read more
August 24, 2020 — Researchers in Hong Kong say they’ve confirmed that a person can be infected with COVID-19 twice. There have been sporadic accounts on social media sites of people who say they’ve gotten COVID twice. But scientists have been skeptical about that possibility, saying there’s no evidence it happens. The new proof comes … Read more