The women are these:

• Audrey Sue Cruz, an American doctor who worked with other Asian-American doctors to combat racial basis in caring for those affected.
• Jaqueline Goes De Jesus, a doctor and biomedical researcher in Brazil who helped sequence the genome of a coronavirus variant in that country.
• Sarah Gilbert, a vaccinologist and professor at Oxford University in the United Kingdom who helped develop the Oxford/AstraZeneca coronavirus vaccine.
• Amy O'Sullivan, an American emergency room nurse who treated the first COVID-19 patient in Brooklyn, got the virus, recovered, and went back to work.
• Chika Stacy Oriuwa, a doctor in Canada who has been outspoken in her opposition to perceived systemic racism in health care.
• Kirby White, an Australian doctor and developer of protective gowns that are washable and reusable.

Mattel said that it had made only one of each doll, for the express purpose of calling attention to the accomplishments and efforts of the women on whom the dolls are modeled, and that the dolls would not be for sale or be reproduced.