I've searched for [type 2 diabetes] and Google displayed a lot of information: organs affected by diabetes, symptoms, ages affected, treatments, specialists. "When you search for a medical condition, you'll see three tabs: About, Symptoms, and Treatments. Right now, we show this medical information for the most frequently searched for health conditions, and we will continue to increase the number of conditions we cover," informs Google.
Google "worked with a team of medical doctors to carefully compile, curate, and review this information. All of the gathered facts represent real-life clinical knowledge from these doctors and high-quality medical sources across the web, and the information has been checked by medical doctors at Google and the Mayo Clinic for accuracy."
For now, the upgraded cards are only available in the US if you use the English interface. They're displayed in both the desktop site snd the mobile site/apps.