 
 <prompt> Wetin PCR dey do to things wey dey infect other things? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Abeg, di technological ability to detect any infectious agent quickly and specifically dey available now. Di only remaining wahala wey dey stop PCR from being standard tool for diagnosis na di cost and how to use am, but e no too hard to solve. Some diseases like tetanus and botulism no go benefit from PCR methods because dem be biological poisonings wey small number of bacteria dey produce strong neurotoxins. E no dey easy for PCR to detect di bacteria because dem no dey plenty. 