After J&J Vaccine Pause, Urgent Safety Questions for Sputnik And CanSino On Possible ‘Class Effect’

 
• By Andrew McConaghie

Potentially fatal blood clots seen in AZ and J&J’s COVID-19 vaccine could be common to all adenovirus vector vaccines – but Russia and China developers are dismissing a possible link.

Sputnik V vaccine
Sputnik V's Ad26 viral vector is similar to J&J's vaccine - leading many experts to suspect there could be a class effect. • Source: Getty Images

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