The World Health Organization Monday said that 4,694 cases of the new influenza A(H1N1) infection, including 53 deaths, were confirmed in 30 countries. Mexico had 48 deaths from 1,626 laboratory-confirmed human cases of infection. The United States had 2,532 infections, including three deaths and Canada reported 284 cases, with one death. Costa Rica was hit with eight instances of the virus, including one death. In Europe, Spain was most affected, with 95 cases of what is also known as swine flu, and Britain had 47 infections, the health agency said on its Website quoted by DPA.