Is it more effective than vaccination in innate immunity and delta strain prevention = US study
January 20, 2022 4:00 am

[Reuters] --Health officials in California and New York announced on the 19th that natural immunity from coronavirus infection may be more protective against delta mutants than immunity obtained by vaccination. did. The research data was published in the weekly report of the US Centers for Disease Control and Prevention (CDC).

In addition, the data show that those who had previously been infected with the new corona and vaccinated had the highest protective effect against the Delta strain, and those who had no history of infection or who had not been vaccinated had the lowest effect.

However, the data do not apply to Omicron strains, which currently account for 99.5% of infections in the United States, and CDC officials have emphasized that vaccination remains the most effective measure.