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Now , a team of researchers led by scientists at the National Institutes of Health in Befesta , Maryland has developed a vaccine that prevents Ebola virus infections in monkeys .
 geographical social political: Befesta , Maryland; geographical social political: Maryland; organization: the National Institutes of Health in Befesta , Maryland; person: a team of researchers led by scientists at the National Institutes of Health in Befesta , Maryland; person: scientists at the National Institutes of Health in Befesta , Maryland
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Befesta , Maryland; geographical social political: Maryland; organization: the National Institutes of Health in Befesta , Maryland; person: a team of researchers led by scientists at the National Institutes of Health in Befesta , Maryland; person: scientists at the National Institutes of Health in Befesta , Maryland