training module for medical officers primary health centre - NVBDCP

If an epidemic is predominantly due to P. vivax, then it is almost certain that the first round of IRS hadnot been carried out or the coverage was poor. It can also be surmised that case detection and drugdistribution have not been done properly for at least 2 – 3 months.Follow up Action Carry out mass survey or rapid fever survey Two follow-up surveys: first survey 21 days of remedial measures and the second survey 21days after the first survey Strengthen the case detection mechanism Activate all FTDs and VLWs Investigate cause of epidemic by an epidemiological investigation to find out:o Influx of migratory population which was not covered by routine control measureso Breakdown of regular malaria control operationso Unusual natural calamities such as floods, heavy rains, drought with opening up ofrelief camps etc.Survey methodThe MO-PHC shall make arrangements for delineation of the epidemic area and to find out the extentand severity of the epidemic and immediately inform the mobile epidemic control team.Rapid Fever SurveyEvery village in the suspected zone is covered and only cases of fever and cases with history of feverare taken up. The area of survey should be expanded centrifugally from the epicenter of the outbreak tillareas with normal positivity rates are reached. It is advantageous to establish field laboratories bypooling laboratory technicians and staff from all sources. The survey should be over in 7 to 10 days.RDT tests for P. falciparum should be done immediately and those found positive will beadministered the first day dose of ACT; Therapy will be continued for 3 days.Blood smears taken should be examined within 24 hoursAll age groups should be covered, especially children, pregnant women and migrantsAll persons whose blood smear has been taken for microscopy should be given clinical treatmentwith 3 day course of chloroquine; appropriate, complete treatment will be given to all those personswho test positive.Mass SurveyAs an alternative, mass survey of the entire population shall be carried out irrespective of age, sex andfever status.Duration of Epidemic Control MeasuresThe entire exercise should be completed in a period of 7 to 10 days and in any case not exceeding afortnight64