COVID shots in same arm may elicit better immune response--German study

COVID shots in same arm may elicit better immune response Sequential vaccines, like those used for COVID-19, may elicit a greater immune response if the recipient has the same arm injected. CIDRAP

Sequential vaccines, like those used for COVID-19, may elicit a greater immune response if the recipient has the same arm injected, called ipsilateral vaccination, as opposed to contralateral vaccination, in which the primary vaccination is delivered in one arm and booster dose is delivered to the opposite. The research is published in EBioMedicine.

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