from the study: https://www.cdc.gov/mmwr/volumes/72/wr/mm7239a3.htm?s_cid=mm7239a3_w https://www.cdc.gov/mmwr/volumes/72/wr/mm7239a3.htm?s_cid=mm... > 153 (21

from the study: https://www.cdc.gov/mmwr/volumes/72/wr/mm7239a3.htm?s_cid=mm7239a3_w https://www.cdc.gov/mmwr/volumes/72/wr/mm7239a3.htm?s_cid=mm... > 153 (21%) were reported to have at least one underlying health condition, and 162 (23%) were born before 37 completed gestational weeks (preterm). (with COVID): > 82 (22%) were born to mothers who had received a COVID-19 vaccine dose during pregnancy, compared with 94 (28%) born to mothers of control patients. They're already quite high in "pre-existing problems" in this group, no?