Microbiology Virology be9fa4de Which of the following is true regarding influenza - A It is caused by an enveloped DNA virus B Laboratory studies may show neutropenia early in the course of disease C Primary infectious pneumonia is less common than secondary bacterial pneumonia D Antiviral agents given early prevents complication High-Yield Explanation A most impoant complication is pneumonia which is mainly due to bacterial superinfection REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.500