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BA 4 and BA 5 Power Surge of Virus Cases in Europe, Officials Say

While many European countries have seen an uptick in hospitalizations, “what we’re not seeing is an increase in intensive care unit admissions, so the vaccines are still very much working,” an official with the World Health Organization said this week.

Long COVID and severe COVID-19 infections associated with Epstein-Barr virus reactivation

According to Gold, more than 95% of health adults will test positive for latent EBV infection, identified by testing for the presence of EBV VCA IgG and/or EBV nuclear antigen 1 (EBNA-1) IgG. EBV reactivation, on the other hand, is identified by further testing for the presence of EBV EA-D IgG, EBV VCA IgM, and/or circulating EBV DNA. David J. Hurley, PhD, a professor and molecular microbiologist at the University of Georgia and coauthor of the Pathogens study said, We found similar rates of EBV reactivation in those who had long COVID symptoms for months, as in those with long COVID symptoms that began just weeks after testing positive for COVID-19. This indicated to us that EBV reactivation likely occurs simultaneously or soon after COVID-19 infection.

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