‘Bot holiday’: Covid disinformation down as social media pivot to Ukraine

The usual deluge of invective prompted by coronavirus and vaccine issues is absent - Russia's invasion may be a factor

When David Fisman tweets, he often receives a deluge of hate within moments of posting. Fisman, an epidemiologist and physician, has been outspoken about Covid and public health.

Even when he tweets something innocuous - once, to test his theory, he wrote the banal statement kids are remarkable" - he still receives a flood of angry pushback.