Nationwide , severe acute respiratory syndrome has infected more than 5,300 people , about two-thirds of world 's total , and killed 343 of them .
Severe acute respiratory syndrome has infected more than 8,300 worldwide and killed at least 790 , most of them in Asia .
(See options at the end). If the first sentence is true, is the second one also true?
Possible answers: (1). no (2). yes
(1).