Here are some of the conditions and dangers associated with some blood clots and how they can become serious and even life-threatening.

This archived news story is available only for your personal, non-commercial use. Information in the story may be outdated or superseded by additional information. Reading or replaying the story ...

Most blood-clotting cases occurred in women ages 18 to 49, NBC News reported. Six were men. The onset of the thrombosis with thrombocytopenia syndrome occurred three to 15 days after vaccination ...

The median age of those with blood clotting cases is 40 and the onset is a median of 9 days after injection. “Current evidence suggests a plausible causal association with the Janssen COVID-19 ...

By Emily Anthes Federal health officials have now confirmed 28 cases, including six in men, of a rare blood clotting disorder in adults who have received the Johnson & Johnson Covid-19 vaccine.

Federal health officials have identified several additional cases of a rare but serious blood clot in people who received the Johnson & Johnson COVID-19 vaccine. The cases were discussed during a ...

An official with the Centers for Disease Control and Prevention (CDC) announced more than two dozen total blood clot cases in individuals who received Johnson & Johnson’s one-shot COVID-19 ...

The blood clot cases that led to the pause were all in people under the age of 48. Six women experienced blood clots within 6 to 13 days after being given the shot, according to the CDC and the US ...

Instead, the most dangerous symptoms are the complications that can happen in the blood clotting stage. These include: In most cases of disseminated intravascular coagulation, your doctor will ...

The U.K. has recorded 30 cases of rare blood clotting events after the use of the AstraZeneca Covid-19 vaccine, the country’s drug regulator announced on Thursday evening but insisted that the ...

Scientists have offered a new explanation for why COVID-19 vaccines that contained adenoviruses carried a rare-but-serious risk of blood clotting ... began reporting cases of clotting that ...

But it wasn’t until a few cases of a rare blood-clotting disorder — some fatal — emerged within the past month or so that many European nations began to rethink its use across all age groups.