More covering their butts, I’d say.
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The EU Vaers version has reported 18,000 deaths directly from the jab. That number is known and acknowledged in the EU, their .gov states it is acceptable risk/reward.
Here is the US death rate, nearing 7,000 deaths by vax. Many believe it is just a fraction as Vaers reporting is voluntary and political.
https://www.openvaers.com/covid-data