LONDON — Britain's Health Protection Agency has published an early genetic sequence of the new respiratory virus related to SARS that shows it is most closely linked to bat viruses, and scientists say camels, sheep or goats might end up being implicated too.So far, officials have only identified two confirmed cases and say the virus isn't as infectious as SARS, or severe acute respiratory syndrome, which killed hundreds of people, mostly in Asia, in a 2003 global outbreak.Read More... More on Video