…the NCHS analysis focused on maternal and not infant risk factors: The outcome was infant death, the input or “intervention” was the mother’s vaccination status.
The COVID-19 vaccines were authorized for pregnant women in April 2021, so vaccination could have affected the survivability of their fetuses and newborns within the study period.
However, the NCHS found that Blacks were more than 3 times more likely than whites to refuse vaccination, and also experienced a much smaller increase in infant mortality.
Asian Americans were 56% more likely than whites to refuse vaccination and their mortality rates improved.
https://vigilantnews.com/post/cdc-reports-largest-infant-mortality-rate-increase-in-20-years