Fig. 4From: Need of care in interpreting Google Trends-based COVID-19 infodemiological study results: potential risk of false-positivityCOVID-19 weekly positivity trends, Google Trends relative search volume trends for ‘loss of smell’ and ‘sense of smell’, and their media coverage trends in Japan. Temporal relationship between the COVID-19 positivity trend (in solid lines), the GT trend of the Japanese keywords (in dotted lines) corresponding to A ‘loss of smell’ or B ‘sense of smell’, and their media coverage trends (in dashed lines). Apparently, in both keywords (A and B), the GT keyword trends were very similar to the trends in their media coverageBack to article page