The content originally appeared on: Trinidad and Tobago Newsday News Chief Medical Officer Dr Roshan Parasram. - CMO Dr Roshan Parasram said TT will not be acquiring the bi-valent covid19 vaccine being used in the US until it had gone through rigorous scientific testing. He was speaking at the virtual launch of the vaccination campaign for the 2022-23 flu season on Wednesday. “The covid19 bi-valent is not a World Health Organization (WHO)-approved vaccine as yet. It has been out in […]