Early results on safety from the Sisonke study revealed

 

According to the SA Sisonke Covid study only 50 of the 288 368 healthcare workers vaccinated with the Johnson & Johnson (J&J) vaccine showed serious side effects. The majority (85%) of participants experienced mild to moderate effects.

The early safety data of the Sisonke study shows that no cases of the rare blood clotting

condition, known as vaccine-induced immune thrombotic thrombocytopaenia (VITT), were detected in the SA study. Around 28 cases have been identified in vaccinated individuals in other countries.

Since the start of the pandemic, Covid-19 has been reported in 1.58-m persons, including more than 55 000 healthcare workers. According to the J&J clinical trial, in which SA participated, the single-dose vaccine prevented 100% of hospitalisations and deaths related to Covid-19.

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