Publication date: May 23, 2026
Long-term immunity acquired maternally against infectious pathogens has been reported in animal studies, but epidemiological evidence remains lacking. To assess long-term maternal immunity in humans against infectious pathogens, we examined COVID-19 disease burden in communities with varying breastfeeding practices. Using data from 159 counties in Georgia, the United States, from March 1, 2020, through February 28, 2022, we calculated the daily incidence, mortality, and fatality rates of COVID-19 and estimated rate ratios (RRs) in counties with low (
| Concepts | Keywords |
|---|---|
| Breastfeeding | breastfeeding |
| Fatality | COVID-19 |
| February | ecological study |
| Georgia | immunity |
| long-term |
Semantics
| Type | Source | Name |
|---|---|---|
| disease | MESH | COVID-19 |
Original Article
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