Sputnik V better choice as second jab for ones who have taken AstraZeneca first dose-By Rathindra Kuruwita Source:Island Sputnik V was a better choice of vaccine as a second jab than Sinopharm for those who had taken AstraZeneca injection as the first dose, experts in Immunology at the Medical Research Institute (MRI) told The Island yesterday. Consultant Immunologist and head of the department of Immunology-MRI, Dr Nihan Rajiva de Silva said if those who had taken the first dose of AstraZeneca were to receive a second jab of Sputnik V, they should take the first Sputnik V vaccine with adenovirus 26 (Ad26). ...

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