Complexity

America led the world in buying up the messenger RNA vaccines that have proven most effective against Covid-19. It’s now starting to lead the world in not using them.

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Read more about Issues in why it is not so easy for the U.S. to Share Its Vaccines
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Will COVID-19 booster shots be necessary? Some scientists question predictions

Thu, 2021-05-13 09:02 — mike kraft

Top scientists question the need for COVID-19 booster shots COVID-19 vaccine developers are making ever bolder assertions that the world will need yearly booster shots, or new vaccines to tackle concerning coronavirus variants, but some scientists question when, or whether, such shots will be needed. Julie Steenhuysen,Kate Kelland Reuters

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India’s massive COVID surge puzzles scientists, initial antibody data may have been too narrow.

Wed, 2021-04-21 21:05 — mike kraft

India’s massive COVID surge puzzles scientists The virus is spreading faster than ever before in India despite previous high infection rates in megacities, which should have conferred some protection. Smriti Mallapaty Nature

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Read more about India’s massive COVID surge puzzles scientists, initial antibody data may have been too narrow.
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In Depth: Possible explanations for the rare blood clots after Johnson & Johnson vaccination

Tue, 2021-04-20 11:24 — mike kraft

The race to untangle the secrets of rare, severe blood clots after Johnson & Johnson vaccination Making sense of rare, possibly related adverse events after vaccination can be notoriously tricky, but in this case, U.S. health officials have a blueprint. Carolyn Y. Johnson Washington Post

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AstraZeneca: Blot Clots apparently Stem From Rare Antibody Reaction

Sat, 2021-04-10 13:43 — mike kraft

New research has identified unusual antibodies that appear to have caused, in rare cases, serious and sometimes fatal blood clots in people who received the Covid vaccine made by AstraZeneca.

Exactly why the rare reactions to the vaccine occurred is still a mystery.

Scientific teams from Germany and Norway found that people who developed the clots after vaccination had produced antibodies that activated their platelets, a blood component involved in clotting. The new reports add extensive details to what the researchers have already stated publicly about the blood disorder.

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FDA authorizes new test, built with machine learning, to detect past Covid-19 infections

Sat, 2021-03-06 14:20 — mike kraft

FDA authorizes new test to detect past Covid-19 infections The T-Detect COVID test, developed by Adapative Biotechnologies with help from Microsoft, was built with machine learning. Katie Palmer STAT

The Food and Drug Administration on Friday issued an emergency authorization for a new test to detect Covid-19 infections — one that stands apart from the hundreds already authorized.

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