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Need a booster shoot every six monthsAntibodies from Sinovac's COVID-19 shot fade after about 6 months, booster helps - study https://t.co/7ThtFnWnIn— Hans-Juergen Lenz (@juergen_lenz) August 13, 2021
Need a booster shoot every six monthsAntibodies from Sinovac's COVID-19 shot fade after about 6 months, booster helps - study https://t.co/7ThtFnWnIn
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