López Charretón has led a research program as principal investigator at the Biotechnology Institute (UNAM) in Cuernavaca, Mexico for over 25 years.

[3] In 2012, López Charretón received the L'Oréal-UNESCO Award for Women in Science – Latin America "for identifying how rotaviruses cause the death of 600,000 children each year".

López Charretón followed her passion for Biology and enrolled into the Universidad Nacional Autónoma de México (UNAM), where she completed her bachelor's in basic biomedical research in 1980, followed by a masters in 2003 and a PhD in 2006.

[3] López Charretón has led her research program as principal investigator at the Biotechnology Institute (UNAM) in Cuernavaca, Mexico.

López Charretón serves as a mentor for master's and PhD students, and currently holds a SNI level III investigator status.

She responded, "I would invest that year in convincing people who make enormous amounts of money (TV and movie stars, singers, athletes, etc.)

to donate just a small part of their earnings to make a well-administered foundation, with the sole purpose of ensuring that every child in underdeveloped countries has access to all available vaccines, independent of their cost, and to guarantee that these children are nourished properly during the first five years of their lives.