Enlarge ImageEat me.Poxvirus (in green) may enter its host cell (in red) by sporting a "garbage" tag that prompts the cell to swallow it.Credit: Jason Mercer/Swiss Federal Institute of Technology It might not be the most elegant entrance, but poxviruses have engineered a way to sneak into cells through the garbage chute. According to a new study, the virus disguises itself as junk so that it will be gobbled by cells cleaning up floating debris. The discovery could explain how the virus that causes smallpox infects its hosts. In order to replicate, viruses must find some way of getting...