With older adults vaccinated, doctors say a growing share of their COVID patients are in their 20s, 30s, 40s and 50s, as more contagious variants circulate among people who remain unvaccinated.
Researchers said the study is unique because each woman affected by COVID-19 was compared to two non-infected pregnant women giving birth at the same time in the same hospital.
Despite Blue Shield's contractual obligation with the state to vaccinate homebound people, health experts say the state is failing to reach the homebound.