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Covid-19 vaccine: जॉनसन एंड जॉनसन की सिंगल डोज वैक्सीन शुरुआती मानव परीक्षण में कारगर

Covid-19 vaccine: The initial human trials of Johnson & Johnson’s experimental COVID-19 vaccine have resulted. In human trials, immune responses to single doses of the vaccine have been observed on almost all volunteers, whereas side-effects have been negligible. The company is expected to release the final and final phase test results by the end of […]