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Temporary menstrual changes may be more of a side effect of the COVID-19 vaccine than previously understood, new research finds.
India's ambitious effort was also partly overshadowed Saturday by a fire in a COVID-19 ward in western India that killed…
Kenya ordered a suspension on private importations of vaccines over fears it may lead to counterfeit inoculations getting into the…
Results from a U.S. trial of AstraZeneca’s COVID-19 vaccine may have included “outdated information," American officials said early Tuesday.
AstraZeneca’s COVID-19 vaccine provided strong protection against sickness and eliminated hospitalizations and deaths from the disease.
The vaccine developed by Oxford University and drugmaker AstraZeneca is expected to be relied on in many countries because of…
Pharmaceutical company AstraZeneca said Monday that late-stage trials showed its coronavirus vaccine was up to 90% effective.
Officials at AstraZeneca did not detail the nature of the adverse reaction or at which phase of the trial it…