UK's Johnson, other leaders receive shot to assure their citizens its safe to be immunized: 'Please go and get it'

After several European countries suspend use, drug regulator says benefits of UK-developed inoculations outweigh risk of blood clots

At least a dozen countries including Germany, France, Italy and Spain have suspended use of shot; experts reviewing safety data

British pharmaceutical giant, whose coronavirus vaccine faces European safety doubts, announces it will provide 700,000 doses of a potential treatment for virus

Germany, France, and Italy become latest EU nations to announce temporary ban; European Medicines Agency tries to allay concerns, saying no known health risks

Health official says that while there's no conclusive link between vaccine and cases, temporary hold put in place as precaution; Denmark, Norway, Iceland have taken similar steps

European Medicines Agency tries to allay concerns, saying no known health risks with shot

Move allows company's partners in India and South Korea to ship millions as part of UN-backed program to tame the pandemic in vulnerable countries

Iranian president says some cities have high rate of cases; remarks come day after Tehran receives 100,000 doses of Russian Sputnik V shot, country kicks off vaccination campaign

Oxford University researchers say steroid budesonide, inhaled as a treatment for respiratory disorders, effective when administered to patients within a week of first symptoms