Reading PassageVocabulary List10 Question QuizAnswer KeyGreat Homework ResourceSub Plan Option “Smallpox: Declared Eradicated in 1980” Smallpox was declared eradicated in 1980, but it continues to be studied in labs in the United States and Russia. The student will learn about other viruses in the same family, why smallpox was a perfect target for eradication, and more. The passage is written in an easy-to-understand manner to promote students' ability to read and comprehend subject matter at