For example, we describe as âreemergingâ new or more severe diseases associated with acquisition of new genes by an existing microbe, e.g., antibiotic resistance genes, even when mutations cause entirely new diseases with unique clinical epidemiologic features, e.g., Brazilian purpuric fever [12].
Here are the 25 wonderful places, which you can plan to visit in your lifetime. [click on the picture to see the image in full size] Grand Canyon: Grand Canyon is the steep-sided gorge carved by the Colorado River in Arizona State of United States.
15 Things You Might Not Know About Tennessee. 1. Tennesseeâs Great Smoky Mountains beats both the Grand Canyon and Yosemite as Americaâs most visited national park. 2. On top of that, Tennessee boasts the third-most visited house in the country (after the White House and Biltmore Estate): Graceland Mansion, the former home of Elvis Presley.