Table 1.

Overall US Correlation Coefficients for 10 Google Keywords and Daily New COVID-19 Cases

Keyword	R	95% CI (lower)	95% CI (upper)
COVID-19 symptoms	0.61	0.47	0.73
Coronavirus symptoms	0.06	−0.14	0.26
Sore throat + shortness of breath + fatigue + cough	0.31	0.12	0.48
Coronavirus testing center	0.39	0.2	0.54
Loss of smell	0.61	0.46	0.72
Lysol	0.66	0.52	0.76
Antibody	0.88	0.83	0.92
Face mask	0.82	0.75	0.88
Coronavirus vaccine	0.3	0.11	0.47
COVID-19 stimulus check	0.79	0.7	0.85

COVID-19 = coronavirus disease 2019.