Merck 1Q Revenues: $5.8 billion (+7%) 1Q Earnings: $1.7 billion (+12%) Comments: Gardasil sales reached $365 million in the quarter. Key products — including Singulair, Zetia, Vytorin and Januvia — drove results in the quarter. Combined global sales of Zetia and Vytorin, as reported by the Merck/Schering-Plough partnership (recognized as equity from a joint venture and not as revenues), reached $1.2 billion, up 47%. Singulair sales reached $1 billion, up 25%. Worldwide sales ...