Influenza A(H1N1)pdm09 epidemiology in the Eastern Province of Saudi Arabia

Younger individuals in the Eastern Province of the Kingdom of Saudi Arabia had a relatively higher risk of influenza A(H1N1)pdm09 infection. Additionally, an outbreak of influenza A(H1N1)pdm09 may have occurred in Ras Tanura city between April 2015 and February 2016.