| experimental st. louis encephalitis virus infection of sloths and cormorants. | experimental infection of 11 bradypus variegatus and choloepus hoffmanni sloths with st. louis encephalitis (sle) virus produced detectable viremias of seven to 27 (median 13) days duration and maximum titers of 2.7 to 6.5 (median 5.1) log10 median suckling mouse intracranial lethal doses (smicld50) per ml. experimental sle viremia onset was delayed and maximum titer depressed in two sloths concurrently infected with naturally acquired viruses. sle viremias in four experimentally inoculated corm ... | 1983 | 6881434 |