A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others. A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others. A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others. A new infection that simply makes people feel happy is treated as a threat by the authorities while its "victims" work to spread it to others.