FRED has added 288 new quarterly series from World Uncertainty Index authors Hites Ahir, Nicholas Bloom, and Davide Furceri: the World Pandemic Uncertainty Index (an aggregate index of discussion about pandemics) and the indices for 143 countries. 

Note that the World Uncertainty Index series have moved from the Economic Policy Uncertainty release page to its own release page, together with the World Pandemic Uncertainty and Discussion of Pandemics Indices.