About the Show
They come from every direction, seeking blood. They come from the sky, from the earth and they penetrate our homes. They come to expand their empires. They are on our food, in our beds, on our bodies. Infesting, multiplying, contaminating, they are.The In

Newsletter

Never miss a Nat Geo moment

Your email address
Submit
We use our own and third-party cookies to improve our services, personalise your advertising and remember your preferences. If you continue browsing, or click on the accept button on this banner, we understand that you accept the use of cookies on our website. For more information visit our Cookies Policy AcceptClose cookie policy overlay