Swine flu ( Reasons,symptoms,prevent)
Swine flu is also called pig flu or hog flu.Swine flu, also known as H1N1 type a influenza, is a human disease. The name 'Swine flu'……
Swine flu is also called pig flu or hog flu.Swine flu, also known as H1N1 type a influenza, is a human disease. The name 'Swine flu'……