Prior COVID-19 infection does not protect as well as vaccine against reinfection: CDC
Patients hospitalized with COVID-like symptoms were five times more likely to test positive for Sars-Cov-2, if they were unvaccinated and had a prior history of having infectious-disease, compared to those who received the Moderna or Pfizer vaccine and had no history of coronavirus infection, according to a report last week by the CDC. CDC researchers…