Further spread of swine is inevitable , World Health Organization says . WHO calls H1N1 a global epidemic , on alert to highest alert . U.N. agency says that does n't mean disease is worse , but that it 's in more control . ` There 's no specific date on the calendar , '' Hall said . Hong Kong orders closure of all elementary schools , hospitals , day care centers .
Further spread of swine is inevitable , World Health Organization says . WHO calls H1N1 a global epidemic , on alert to highest alert . U.N. agency says that does n't mean disease is worse , but that it 's in more control . Hong Kong orders closure of all elementary schools , hospitals , day care centers .