Brazilian scientists have detected traces of the Zika virus in the common mosquito Culex which means it can potentially transmit the disease the media reported on Friday. Tests were conducted on more than 200 Culex mosquitoes. However the results are still being verified and there is no evidence to suggest that Culex could contaminate human beings Xinhua news agency reported. Until now it was believed that the only Zika vector is the Aedes aegypti mosquito which also transmits dengue and chikungunya. The discovery was made by the Rio de Janeiro-based Oswaldo Cruz Foundation (Fiocruz) and announced on Wednesday in a