COVID-19

What a vaccine’s “efficacy rate” actually means. In the US, the first two available Covid-19 vaccines were the ones from Pfizer/BioNTech and Moderna. Both vaccines have very high “efficacy rates,” of around 95%. But the third vaccine introduced in the US, from Johnson & Johnson, has a considerably lower efficacy rate: just 66%. Look at

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“Nearly 2.3 million COVAX doses will arrive in at least seven countries in our region in the next days and weeks.” Washington, D.C., March 10, 2021 (PAHO) – PAHO Director Carissa F. Etienne welcomed the expansion of the rollout of COVID-19 vaccines in the Americas and reported that PAHO is working closely with member countries

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CARIBBEAN Public Health Agency (CARPHA) executive director Dr Joy St John on Monday praised Caricom heads of government for leading the region’s charge to protect its people against the ravages of the covid19 pandemic and ensure equitable access to covid19 vaccines. Among the leaders praised by St John were the Trinidad and Tobago Prime Minister,

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Nucleic acid testing (NAT) technologies that use real-time polymerase chain reaction (RT-PCR) for detection of SARS-CoV-2 Product type: Nucleic acid testing (NAT) technologies that use real-time polymerase chain reaction (RT-PCR) for detection of SARS-CoV-2 Date: 7 December 2020 WHO-identifier: 2020/5, version 1 Purpose of this notice: To ensure users of certain nucleic acid testing (NAT) technologies are aware

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Laboratory technologists have been working nonstop to help the nation diagnose an ever-growing number of coronavirus cases.. In March, April Abbott dragged a hospital bed into her office at Deaconess Hospital in Evansville, Ind. In the nine months since, she has slept in it a half-dozen times while working overnight in her clinical microbiology laboratory,

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Abstract COVID-19, caused by severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2), represents a global crisis. Key to SARS-CoV-2 therapeutic development is unraveling the mechanisms driving high infectivity, broad tissue tropism and severe pathology. Our 2.85 Å cryo-EM structure of SARS-CoV-2 spike (S) glycoprotein reveals that the receptor binding domains (RBDs) tightly bind the essential free fatty acid

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