Machado, A., R. . Marques, D. . Portela, and M. Brandão Calçada. “Is There an Association Between the Number of New Cases of Flu and COVID-19 and the Public Interest? An Infodemiological Study Using Google Trends”. Internal Medicine, vol. 29, no. 3, Sept. 2022, pp. 237-8, doi:10.24950/rspmi.615.