Intensive pulse polio immunisation

INTENSIVE PULSE POLIO

IMMUNISATION

HISTORY 1948-Thomas Weller&Frederick Robbins succeed in growing poliovirus in live cells

1955:Dr.Jonas Salk-inactivated,injectable vaccine

Systemic immunity No local immunity No protection to community.

1961:Dr.Albert Sabin-live oral vaccine

Easy to administer Relatively cheap Interrupt WPV transmission 66%-herd immunity

1980-OPV in UIP 1988-global goal to eradicate polio by 2000(WHO).

zero incidence of WPV transmission anywhere inthe world.

Excludes VDPV(1case/1million vaccinees)

1995-IPPI Ist round-9th dec 1995&20th jan 1996.

Under 3 yrs irrespective of immun status

87 million children Jan 10,feb 7 2010

IPPI

Conducted on NID sudden,simultaneous,mass

admn of OPV,0-5yrs Mass immunisation campaigns 2drops using dropper supplied

with vial Extra doses No min interval b/w PPI

&scheduled OPV doses

Nov- feb:low transmn season Jun-sep:peak transmn-envt sources of inf

House to house search for missed children &vaccinating them on next 2 days.

VVM 1998 Colour monitors/labels Circle of deep blue colour White square,heat sensitive material

High temp,colour changes to blue-ineffective

1988-125 endemic contries 2008-4(India,Afghanistan,Pakistan,Nigeria)

SEAR-India(UP&Bihar) Kerala –last case in Malapuram,2000

DEFICIT???Poor service delivery mechanisms

Low public awarenessLack of comm participationLack of co-ordn b/w diff working units

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