Iran to apply second round of Covid-19 vaccine Iran to apply second round of Covid-19 vaccine Tehran, Jan 10 (Prensa Latina) Iran began applying on Sunday a second round of immunization to the Covid-19 with the vaccine candidate COVIRAN Barekat, after verifying no adverse reaction in its first test. The secretary of the medical ethics research committee of the Iranian Health Ministry, Ehsan Shamsi Kushqui, assured that there were no side effects in seven volunteers during the initial inoculation. Kushqui explained that all participants will be re-vaccinated within the next 28 days. In the initial stage of clinical trials with COVIRAN Barekat, 56 people will test the safety of the antidote, he said.