Though very uncommon, the unique type of thromboses seen in dozens who got the shot has experts paying attention; some are urging caution, while others say tiny risk is worth it

Soaring job growth, loosened travel guidelines in US; European states struggle with vaccine campaign, return to lockdowns; devastation unfolds in Brazil as infections run rampant

Decision follows reports of a small number of unusual blood clots in people who received shot, in latest setback for vaccine seen as crucial for Europe, global inoculations

Loss of shots that could have inoculated 7% of American adults serves as a reminder of strict quality controls measure meant to catch problems before they reach public

Inoculated travelers no longer need to take virus tests or quarantine, US health agency says; 66,000 Americans being diagnosed with COVID-19 per day

Michal Linial says past reports of swift antibody decline were 'much ado about nothing'; Health Ministry chief hopes to begin vaccinating Israeli teens in May

Family of Shirel Hilel accuses Ziv Medical Center of neglect: 'She just deteriorated before their eyes and no one even lifted a hand'; not clear whether case tied to vaccine

With economy largely open and most Israelis vaccinated, positive test rate falls to 1%; serious infections hit a three-month low

Updated data shows that coronavirus immunization poses no serious safety concerns

More people received a first shot on March 1 than over whole of last week; early in drive were were long lines for vaccines, now nurses are calling people to urge them to come