Influenza A virus infection with bacterial coinfection can lead to severe pneumonia and respiratory failure, increasing the risk of death compared to influenza alone.
People with influenza A often experience high fever and severe body aches, whereas the common cold typically causes mild fever, a runny nose, and less widespread body pain.
Children under 5 years old who contract influenza A can experience complications such as septic shock, meningitis, myocarditis, pneumonia, and respiratory failure.
