
Hantavirus in Africa: why climate change, rats and weak surveillance are worrying scientists
Wolfgang Preiser, Carla Mavian, Cheryl Baxter, Richard Lessells and Tulio de Oliveira
The South African Gold Coin Exchange recently appointed Purple Cow Communications to assist them in increasing the online visibility of www.sagoldcoin.com. Purple Cow is to assist the Exchange with marketing its products and services via the major search engines.