AstraZeneca has paused an experimental vaccine for the coronavirus after the illness of a participant. The World Health Organization's (WHO) chief scientist said that is a “wake-up call” but should not discourage researchers.

Coronavirus vaccine: AstraZeneca pauses COVID-19 vaccine trial

The volunteer whose serious ailment halted clinical trials of a coronavirus vaccine candidate being developed by AstraZeneca and Oxford University

What do halted trials mean for the world?

AstraZeneca Covid-19 vaccine study is on a temporary hold after a participant falls ill. AstraZeneca didn't reveal any information about the possible side effect expect to call it 'a potentially unexplained illness'.

WION Fineprint: Oxford-Astrazeneca pause major trial for second time

AstraZeneca COVID-19 vaccine study paused after a participant falls ill in UK