If an impact is found, additional studies then, or an expansion of the study could be completed. NIAID stated it acted after reviewing the total results of the STEP trial, a study of another vaccine that was halted last fall after reports of an increased number of infections among volunteers getting involved in the test. The agency stated it still considers its vaccine scientifically intriguing and sufficiently different from additional vaccines to proceed with small trial.. AIDS Vaccine Trial Scaled Back Plans for a large-scale trial of a potential AIDS vaccine are getting dropped and only a smaller, more focused research, the National Institutes of Wellness said Thursday.Twenty-five % of the new situations had been in the Northeast, and 17 % in the West, two regions with the country’s largest metropolitan areas that have for several years received most of the federal money. Nevertheless, the South stands to obtain additional funding. President Barack Obama signed the $2.2 billion Ryan White HIV/AIDS extension act last month, which continued funding for rural areas, putting the South second in federal money behind the northern area. Activists said it’s still insufficient to keep pace with the new cases. Debbie Konkle-Parker, a nurse practitioner in Jackson, stated the take action also added federal money to the South in 2006, but didn’t put rural areas on the same level as big metropolitan areas.