Fig. 1From: Epidemiological research on rare diseases using large-scale online search queries and reported case dataAnnual changes in the top 10 rare diseases in the search and reported case data (a) Top 10 high-rates diseases in the search data (b) Top 10 high-rates diseases in the reported case data. Diseases in bold represent those with changes over four years. PAH: pulmonary arterial hypertensionBack to article page