While drug makers scramble to produce H1N1 influenza vaccines for humans, a drug company with New Jersey ties has developed a drug to ward off a flu strain that targets man’s best friend. Intervet/Schering-Plough Animal Health said this week its canine influenza vaccine -the first approved to protect dogs from the contagious respiratory illness -has received a conditional product license from the U.S. Department of Agriculture. Read full Star Ledger report here.