I infect, therefore I am.
The virus’s cocky slogan when it thinks it’s the best, but it’s about to be beaten by a stronger version. It’s like the virus’s version of 'I’m the best, and I know it.'
The virus was like, 'I infect, therefore I am,' until the new one came and said, 'You’re just a has-been.'
The virus was bragging, 'I infect, therefore I am,' and then the new one showed up and said, 'You’re washed up.'
The virus was all, 'I infect, therefore I am,' and then the new one just said, 'You’re the old man of viruses.'