Yes and no: Pet dander can linger in homes for up to a year after a pet is removed, if not thoroughly cleaned. If a thorough cleaning especially of carpet, drapes, furnace filter is accomplished, the amount of cat dander from 2 years ago should be minimal.
Answered 9/28/2016
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2 doctors weighed in across 2 answers
2 doctors weighed in across 2 answers
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2 doctors weighed in across 2 answers
A doctor has provided 1 answer
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