Vaccination Guide for the traveler, Dr. Elizabeth Mac as Barrera, is a practical book that addresses these concerns. By way of question and answer, can tell how old a vaccine protects you and what you need depending on the destination you go, with current information. “On a trip to Cairo in 2001 they sent me straight to the airport’s medical services because I lacked the required vaccinations. As they do not speak Spanish, and asked if I was allergic to something. I wondered how many people have had the same thing, not to ascertain the basic requirements before you travel. I decided to devote myself to promoting the culture of prevention in Latin America, hence the idea of this book, “said Dr. Macias. Source: Traveler Magazine, Vol2, No. 14.