Indeed, the lower air humidity in winter seems to be the main cause of seasonal influenza transmission in temperate regions.

Unfortunately, the book's power dissipates in its final movement, which details Lydia's stint as a nurse's aide in a government-run "influenza transmission" study.

Interim Public Health Guidance for the Use of Facemasks and Respirators in Non-Occupational Community Settings during an Influenza Pandemic (Centers for Disease Control and Prevention) Provides information on influenza transmission and gives recommendations on when to use masks and respirators in public settings and communities.

Additional information and analysis is required before this can be implemented, including further data on the contribution of children on influenza transmission to others as this is a key factor in the impact and cost effectiveness of their vaccination.

And because roughly one-third of influenza transmissions occur before an infected person exhibits symptoms, these precautions should be taken whenever people are in the same room throughout the pandemic period.

Cats can also be infected when they ingest the virus, which is a novel route for influenza transmission in mammals.

Interim Guidance on Planning for the Use of Surgical Masks and Respirators in Health Care Settings during an Influenza Pandemic Provides background information on influenza transmission, pathogenesis, and control.