Which viral disease is primarily transmitted via aerosol?

Influenza is primarily transmitted via aerosol, which occurs when respiratory droplets containing the virus are expelled through coughing, sneezing, or talking. These droplets can be inhaled by individuals in close proximity, allowing the virus to spread efficiently within populations. The ability of the influenza virus to remain suspended in the air for a short period enhances its transmission, especially in crowded or enclosed spaces.

Other diseases, such as measles, are also transmitted via aerosol or airborne routes, but influenza is often specifically highlighted in discussions regarding seasonal transmission patterns and public health implications due to its variations and impact on large populations. The distinction in this context might hinge on the more common identification of influenza as an aerosol-transmitted virus in public health discourse, particularly during outbreaks.

In contrast, diseases like hepatitis are primarily spread through bodily fluids and direct contact, while HIV/AIDS transmission occurs via specific body fluids and not through aerosolized routes. Therefore, influenza stands out as the correct answer in the context of airborne transmission.