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What is A child presents with recurrent bouts of severe cough followed by an audible whoop. Which of the following is considered the best type of specimen to isolate the organism and confirm the diagnosis. and explain in detail?
Presence of recurrent bouts of severe cough followed by an audible whoop suggests a diagnosis of pertusis (Whooping cough).
Nasopharyngeal Swab is the single best specimen to isolate the organism from the options provided.