A 5yr old unimmunized child developed Diphtheria. He has a 3yr old immunised sibling contact, who received last booster 18 months back. What to do with the contact?
Two doses of polysaccharide vaccine
Three doses of conjugate vaccine
Sigle dose of toxoid vaccine
No vaccine needed
WHO Operational protocol for diptheria contacts - Assess diphtheria toxoid vaccination status of exposed close contacts. Vaccinate according to WHO strategy (which prioritizes children's vaccination). Type:Pentavalent (for 6 wks to 6 yrs) or Td (for 7 yrs and above). Number of doses:- Only one dose if documentary evidence of having completed primary vaccination schedule is available. Three doses:at least 4 weeks interval between each dose Administer antibiotics for prophylaxis. Choose one of the following antibiotics for prevention: IM benzathine penicillin: a single dose For children aged <= 5 years: administer 6 00 000 units For those > 5 years: administer 12 00 000 units Oral erythromycin For children: 40 mg/kg/day, administered in divided dose, 10 mg per dose, every 6 hours For adults: 1 g/day for adults, administered in divided dose, 250 mg per dose every 6 hours Treat for total 7 days Oral Azithromycin Children: 10-12 mg/kg once daily, to a max of 500mg/day. Treat for total 7 days Adults: 500mg once daily. Treat for total 7 days.
NEET Jan 2020