Product Manual

_________________________________________________________________________________
SofiaInfluenzaA+BFIA
 Page6of25
SAMPLECOLLECTIONANDHANDLING
SAMPLECOLLECTION
NasalSwabSample
Usethenasalswabsuppliedinthekit.
Tocollectanasalswabsample,carefullyinserttheswab(providedinthekit)intothenostrilthatpresentsthe
mostsecretionundervisualinspection.Usinggentlerotation,pushtheswabuntilresistanceismetatthelevel
oftheturbinates(lessthanonein
chintothenostril).Rotatetheswabseveraltimesagainstthenasalwallthen
removeitfromthenostril.
NasopharyngealSwabSample
Useanylonflockednasopharyngealswab,notsupplied.
To collect a nasopharyngeal swab sample, carefully insert the swab into the nostril that presents the most
secretionundervisualinspection.Keeptheswabneartheseptumfloorofthenosewhilegentlypushingthe
swabintotheposteriornasopharynx.Rotatetheswabseveralti
mesthenremoveitfromthenasopharynx.
NasopharyngealAspirate/WashSampl e
Follow your institution’s protocol for obtaining nasopharyngeal aspirate/wash samples. Use the minimal
amount of saline that your procedure allows. Alternatively, if your institution does not provide a protocol,
thenconsiderthefollowingproceduresthatareusedbyclinicians:
To collect a nasopharyngeal aspirate sample: instill a few drops of sterile saline in
to the nostril to be
suctioned. Insert the flexible plasti c tubing along the nostril floor, parallel to the palate. After entering the
nasopharynx, aspirate the secretions while removing the tubing. The procedure should be repeated for the
othernostrilifinadequatesecretionswereobtainedfromthefirstnostril.
Tocollectanas
opharyngealwashsample:achildcouldsitintheparent’slapfacingforward,withthechild’s
headagainsttheparent’schest.Fillthesyringeoraspirationbulbwiththeminimalvolumeofsalinerequired
perthesubject’ssizeandage.Instillthesalineintoonenostrilwhiletheheadistiltedba
ck.Aspiratethewash
samplebackintothesyringeorbulb.Theaspiratedwashsamplewilllikelybeapproximately1ccinvolume.
Alternatively,followinginstillationofthesaline,tilt the head forward andletthe saline drain out
intoacleancollectioncup.
SAMPLETRANSPORTANDSTORAGE
Samplesshouldbetestedassoonaspossibleaftercollection.However,iftransportofsamplesisrequired,
minimaldilution,withviraltransportmedium(VTM),ofthesampleisrecommended,asdilutionmayresultin
decreasedtestsensitivity.Wheneverpossible,1milliliterorlessisbesttoavoidexcessivedilutionofthe
patien
tsample.