SUNNYVALE, Calif., May 3 /PRNewswire-FirstCall/ -- Cepheid (Nasdaq: CPHD - News) today announced financial results for the first quarter ended March 31, 2007. Total product sales for the first quarter ended March 31, 2007 were $22.1 million, an increase of 15% from the $19.3 million for the first quarter ended March 31, 2006. Clinical product sales for the first quarter increased 103% to $7.4 million from the corresponding prior year period. Clinical product sales represented 34% of total product sales for the first quarter of 2007 compared to 19% of total product sales for the first quarter of 2006. Industrial product sales for the first quarter decreased 8% to $3.2 million from the corresponding prior year period. Industrial product sales represented 14% of total product sales for the first quarter of 2007 compared to 18% of total product sales in the first quarter of 2006. Biothreat product sales decreased 6% to $11.5 million from the corresponding prior year period. Biothreat product sales represented 52% of product sales in the first quarter of 2007 compared to 63% of total product sales in the first quarter of 2006.