The pause on the Johnson & Johnson vaccine was lifted on April 23, 2021.
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The CDC first paused, then unpaused, the administration of the Johnson & Johnson COVID-19 vaccine due to concerns about blood clots. But what are those clots, and how do they form?
The AstraZeneca COVID vaccine is now available to Australians over 50. Here's what you need to know before you roll up your sleeve.
The AstraZeneca vaccine was 70 per cent effective against symptomatic COVID-19 infection in a large multinational study, and recently reported 76 per cent overall efficacy against symptomatic COVID-19 in another large study done primarily in the United States.
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With changing recommendations about AstraZeneca's COVID-19 vaccine making headlines, many people have questions about its use.
How do we reasonably and accurately balance the risks of the AstraZeneca vaccine against the benefits? Conceptualising risk can be tricky, but the government's latest advice is sensible.
The UK's proposal to give under-30s other vaccines shouldn't be too disruptive, but in Europe, greater restrictions look likely.
Scientists have called it "vaccine-induced prothrombotic immune thrombocytopenia", or VIPIT. The condition is characterised by a shortage of platelets in the blood.
The AstraZeneca vaccine is already in use in many places.
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AstraZeneca just announced results from its US-based trial. It found the vaccine to be 79% effective and safe for use, despite recent concerns around reports of blood clots.
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Underlying medicines 'do no harm' principle is a deeper claim that it is worse to do harm than to allow harm to happen.
Blood clots can form in the lungs, brain, heart, or veins.
Blood clots form to prevent blood loss both inside and outside the body. But they can become dangerous if they get dislodged from where they form.
It's early days yet but a growing body of research evidence suggests COVID-19 causes abnormalities in blood clotting, which means blood thinning drugs may have a role to play in treatment.
Some medications increase our risk of blood clots. And so does flying.
Commonly recommended sleeping tablets aren't appropriate for plane travel. Here's why.
Warfarin was first used as a pesticide.
Warfarin is a blood thinner that has been used for more than 60 years to help prevent clots and strokes. But it also increases the risk of bleeding.
The physical and mental health benefits associated with moving, being active and mindful are not just limited to yoga.
One in six Australians will have a stroke in their lifetime. That's about 51,000 strokes per year, or one every ten minutes.
The risk of a woman dying from a road accident is approximately 25 times that of death from a pill-related clot.
Newer contraceptive pills pose a higher risk of serious blood clots, says a study published in the BMJ today. The finding isn't new, but it may be cause for a different kind of concern.
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