More than half of coronavirus cases spread by asymptomatic carriers, CDC model shows

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A new model from the Centers for Disease Control and Prevention shows that those who are infected with but show no signs of...

South African coronavirus variant is more transmissible but not more severe: expert

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A mutated form of COVID-19 first identified in South Africa is indeed more transmissible but, at this time, does not appear to cause...

FDA warns UK coronavirus variant may result in false-negative tests

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The Food and Drug Administration (FDA) on Friday issued an alert about the impact viral mutations of the coronavirus may have, including the...

Active coronavirus cases in this state hit new record

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Arkansas this week hit a new record for the active number of coronavirus cases in the state, according to official estimates. The state on...

Amid short supplies, COVID-19 vaccine doses can be 6 weeks apart: WHO

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World Health Organization experts on Friday issued recommendations that the interval between administration of two doses of the Pfizer-BioNTech vaccine against the coronavirus...

UK green-lights Moderna COVID-19 vaccine, marking third in arsenal

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Britain authorized Moderna's COVID-19 vaccine on Friday, following previous approval granted for shots developed by Pfizer/BioNTech and Oxford/AstraZeneca.The nod from the U.K.’s regulatory...

EU regulators OK increasing doses from COVID-19 vaccine vials

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The European Union’s drug agency on Friday approved doctors drawing one more dose from each vial of the coronavirus vaccine made by Pfizer-BioNTech, in...

US sees over 4,000 daily coronavirus deaths for first time

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The United States surpassed 4,000 daily coronavirus deaths on Thursday, marking the highest number seen since the outbreak began. According to Johns Hopkins...

Pfizer COVID-19 vaccine believed to be effective on coronavirus variants: What to know

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A new -- albeit small -- study suggests Pfizer’s coronavirus vaccine remains effective against mutated virus strains that emerged in South Africa and the U.K.,...

California child dies of coronavirus: health official

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A child in California with "severe underlying medical conditions" has died after contracting the novel coronavirus, a health official in the state said...