Volunteers participating in the phase three clinical trial of the Covid-19 vaccine from China do not need to be inoculated with other vaccines such as Pfizer-BioNTech, Sinovac, said Health Minister Dr Adham Baba.

Adham (above) said this is because the volunteers are considered as a protected group and should not be given additional vaccines as they are subject to a special study that will last for 13 months...