The last roughly equivalent public health emergency was the Spanish Flu epidemic of just over a century ago. There is no official, public, data to support this assumption. But aggregator dashboards then sometimes manipulate and analyse the official data in ways that are likely to compound this mis-information. Yes - since they can provide a mechanism to communicate official data to a broader public. And - as is clear from the official data being released by agencies in developed countries, even they are struggling to compile and present such data.
Source: News 24 April 30, 2020 15:00 UTC