Special care should be taken to read labels and prevent cross-contact when purchasing and transporting food. Week 4 Activity Week 4 Activity-Answer Key Week 4 Activity (Spanish) Week 4 Activity (Spanish) – Answer Key You Might Also Like What to Watch for When Storing Food- NFSEM Week 4 September 19, 2011 DRA Announces New Web Site July 8, 2008 IMPORTANT H1N1 Information October 12, 2009