Combination Covid, flu shot race is heating up
A health care worker prepares an injection of Pfizer’s Covid-19 vaccine Comirnaty, Sept. 14, 2023. Irfan Khan | Los Angeles Times | Getty Images A version of this article first appeared in CNBC’s Healthy Returns newsletter, which brings the latest health-care news straight to your inbox. Subscribe here to receive future editions. Good afternoon! Vaccine … Read more