The phrase "undercooked eggs" means that the eggs were not cooked enough and might not be safe to eat because they could still contain harmful bacteria. Full definition
If you are nervous about consuming undercooked eggs, use pasteurized eggs. (seasonalandsavory.com)
It's not a good idea to offer undercooked eggs at this point, but hard - boiled eggs and scrambled eggs are both excellent choices that are sure to please your little one. (abckidsinc.com)
Tens of thousands of people are hospitalized and hundreds are killed yearly by this strain in the U.S. alone; most cases result from eating undercooked eggs or chicken. (sciencemag.org)