Affinity Labs, a San Francisco online portal company that will serve groups with more information about their communities than they already get through alternative media, has raised less than $10 million in a first round of financing from Mayfield and Trinity, according to VentureWire (sub required). It will start by targeting police and nurses.

Mayfield Managing Director Yogen Dalal said Affinity Labs is headed by Chief Executive Chris Michel, who also founded Mayfield portfolio company Military Advantage, an information portal for members of the military that sold to Monster Worldwide for $39.5 million in 2004, after having raised some $31 million in funding.

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