Changes

|Date=2nd May 2007

|Date=2nd May 2007

|Author=Not Named

|Author=Not Named

|Permission=This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.  

|Permission=This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.

|}

|}}

 

== Licensing ==

== Licensing ==

{{cc-att-2.0}}

{{cc-att-2.0}}