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sick and ill chihuahua dog isolated on white background , viral coronavirus all over
Close up of hand placing wooden block with syringe and check mark icon among health symbols, representing vaccination, virus prevention, immunity protection and public healthcare concept.
Coronavirus vaccine concept and background. New vaccine sputnik-v isolated on blue background. Covid-19, 2019-nCov pandemic.
vaccination of children. An injection. Selective focus.
Senior male patient receiving vaccine injection from healthcare professional

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