Gram Negative Coccobacilli
True regarding pertussis:
|A||95% of vaccinated are protected|
|B||erythromycin should be given to contacts|
|C||neuroparalytic complications are seen in 1 in 15000|
|D||leucocytosis is diagnostic|
Non-immunized contacts should receive erythromycin prophylaxis for 10 days after accidental contact.
Both whole cell and acellular vaccines have a protection rate of about 90%.
The estimated risk of neuroparalytic complications is 1 in 170000
Lymphocytosis may be seen in young children but is not diagnostic.