Diseases tracked by using Google trends, Spain.
Valdivia
Antonio
A
Monge-Corella
Susana
S
D002644:Chickenpox / Q000453:epidemiology; D021821:Communicable Diseases, Emerging / Q000453:epidemiology*; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology; D020407:Internet; D011159:Population Surveillance / Q000379:methods*; D013030:Spain / Q000453:epidemiology