Breakthrough COVID-19 infections more severe, likely in immunocompromised individuals: Pfizer study
By Tom Yun, CTVNews.ca Writer Click here for updates on this story TORONTO, Ontario (CTV Network) — A study involving more than a million fully vaccinated people found that COVID-19 breakthrough infections were more common among immunocompromised individuals and were far more likely to lead to hospitalization or death. Researchers from Pfizer published their findings
Continue Reading