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COVID-19 Delta Variant Reaches Wuhan as China Battles Widest Outbreak Since Disease Emerged in 2019

hina is confronting its broadest Covid-19 outbreak since coronavirus first emerged there in late 2019, with the delta variant spreading to places that had been virus-free for months, including the original epicenter of Wuhan. Delta has broken through the country’s virus defenses, which are some of the strictest in the […]

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Indoor Masking Needed in Almost 70% of US Counties: CDC Data

In announcing new guidance on Tuesday, the CDC said vaccinated people should wear face masks in indoor public places with “high” or “substantial” community transmission rates of COVID-19. Data from the CDC shows that designation covers 69.3% of all counties in the United States — 52.2% (1,680 counties) with high community transmission rates […]

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FDA Okays Regeneron COVID-19 Antibody as Preventive in High-Risk Settings

The US Food and Drug Administration has expanded the emergency use authorization of Regeneron Pharmaceuticals Inc’s COVID-19 antibody cocktail, enabling its use as a preventive treatment for the illness in certain people. The company said the authorization enables the therapy to be used in people exposed to an infected individual, or […]

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Variante Delta provocó el 85% de los casos de COVID-19 en CDMX

La secretaria de Salud capitalina, Oliva López, informó que hasta el momento hay 12 menores hospitalizados por Delta, pero afortunadamente ninguno se encuentra grave. La secretaria de Salud de la Ciudad de México, Oliva López Arellano, dio a conocer que de acuerdo con estimaciones, la variante Delta, identificada primeramente en la India, […]

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A Case for Mandatory COVID-19 Vaccination in College Students

There has been considerable debate regarding mandatory vaccine uptake among the general population, excluding those who have medical exemptions. The World Health Organization  states that “policy-makers should consider specifically whether vaccines authorized for emergency or conditional use meet an evidentiary threshold for safety sufficient for a mandate.” Ontario’s chief medical officer, Dr […]

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SARS-CoV-2 Variant Classifications and Definitions

Viral mutations and variants in the United States are routinely monitored through sequence-based surveillance, laboratory studies, and epidemiological investigations. A US government SARS-CoV-2 Interagency Group (SIG) developed a Variant Classification scheme that defines three classes of SARS-CoV-2 variants: Variant of Interest Variant of Concern Variant of High Consequence The B.1.1.7 (Alpha), B.1.351 […]

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Las nuevas variantes del coronavirus convierten la inmunidad de rebaño en una meta inalcanzable a corto plazo

Los expertos sitúan la protección de grupo alrededor del 90%, una cifra imposible de conseguir sin vacunar a los niños, que suponen el 11% de la población. La inmunidad de rebaño, esa piedra filosofal que iba a convertir la pandemia en un recuerdo, es una meta que hoy por hoy […]

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