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Bhutan to go ahead with mix and match vaccines Bhutan to go ahead with mix and mat. Bhutan will go ahead with the mix-and-match mode of vaccination for the second dose that would begin from July 20 despite some skepticism surrounding the idea of mixing two different types of Covid-19. The National Immunization Technical Advisory Group (NI-TAG) has recommended that if Bhutanese who had received Covishield (AstraZeneca) vaccine for their first dose, a booster dose of an mRNA vaccine (Pfizer or Moderna) produced a stronger immune response (immunogenicity) against the SARS-CoV-2 virus. NI-TAG member, Dr Sonam Wangchuk, said that in the wake of the fast-spreading Delta variant of the SARS-CoV-2 virus, heterologous regime (mixing of vaccines)  of vaccination was found to be more effective.

Covishield astrazenecaSonam wangchukSoumya swaminathanNational immunization technical advisory groupWorld health organisationசௌமிய சுவாமிநாதன்உலகம் ஆரோக்கியம் ஆர்கநைஸேஶந்