“…Oncology 33,34,48,49,55,75,117 and cardiovascular diseases 62,65,66,83 were the next two most frequently studied areas following treatments. Other disease areas included infectious 42,43,82,96,133,135 , respiratory 56,82,96,133,135 and autoimmune 138 diseases. In particular, there were four studies on COVID-19 82,96,133,135 .…”