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Covid-19 Vaccination during Pregnancy — Two for the Price of One

The benefits of maternal vaccination to the infant through maternal antibody transfer across the placenta have long been recognized. In the 1870s, babies born to mothers who had received smallpox vaccination were unlikely to have smallpox early in life.1 Tetanus toxoid vaccination during pregnancy, along with improved hygiene during delivery, has […]

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CRISPR, la técnica de edición genética, permite detectar virus como el de la Covid

Con el objetivo de mejorar las pruebas de diagnóstico Covid, así como las de otros virus, un grupo de investigación del Instituto de Biología Integrativa de Sistemas (I2SysBio), centro mixto del Consejo Superior de Investigaciones Científicas (CSIC) y la Universidad de Valencia (UV) ha desarrollado un método mediante la técnica de edición genética conocida como […]

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Long COVID and the digestive system: Mayo Clinic expert describes common symptoms

 Long COVID syndrome, also known as post-COVID, is more than fatigue and shortness of breath. Symptoms such as headaches, brain fog and ringing in the ears have been reported, and recently, physicians are seeing more patients with gastrointestinal problems. Greg Vanichkachorn, M.D., director of Mayo Clinic’s COVID Activity Rehabilitation Program, describes the most common symptoms. Patients in the rehabilitation […]

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Laboratory Diagnostics and Testing Guidance for COVID-19 

Laboratory Studies Because the signs and symptoms of coronavirus disease 2019 (COVID-19) may overlap with those of other respiratory pathogens, it is important to perform laboratory testing to specifically identify symptomatic individuals infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Moreover, it is estimated that up to 40% of people with SARS-CoV-2 infection […]

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North Korea Reports Outbreak of Another Infectious Disease

North Korean officials have reported a major outbreak of another infectious disease, which is affecting at least 800 families so far. Medical crews and disease investigators were sent to Haeju City in South Hwanghae province for an “acute enteric epidemic,” which refers to a digestive illness. South Korean officials have […]

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FDA: Moderna Vaccine Safe for Kids 6 Months to 17 Years

U.S. Food and Drug Administration advisers say Moderna’s COVID-19 vaccine is safe and effective for children aged 6 months to 17 years, according to an FDA document made public on Friday. Two doses of the Moderna vaccine caused an immune response in clinical trial participants that was similar to the immune response […]

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Updated US Infection- and Vaccine-Induced SARS-CoV-2 Seroprevalence Estimates Based on Blood Donations, July 2020-December 2021

By testing for both SARS-CoV-2 spike and nucleocapsid antibodies, seroprevalence studies can estimate the proportion of a population with antibodies from previous infection (nucleocapsid antibody or infection-induced seroprevalence) and from infection or vaccination (spike antibody or combined infection- and vaccine-induced seroprevalence). US seroprevalence from July 2020 to May 2021 based […]

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Cardiac Complications More Common After COVID-19 Than Vaccination

The risk of developing myocarditis and other inflammatory heart conditions after COVID-19 vaccination is substantially lower than it is after SARS-CoV-2 infection, according to an analysis of electronic health records from 40 US health systems. Although it’s a rare complication, myocarditis has been associated with both SARS-CoV-2 infection and messenger RNA (mRNA)–based […]

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ECDC Gives Guidance on Prevention and Treatment of Monkeypox

In a new risk-assessment document, the European Centre for Disease Prevention and Control (ECDC) summarizes what we currently know about monkeypox and recommends that European countries focus on the identification and management of the disease as well as contract tracing and prompt reporting of new cases of the virus. Recent […]

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COVID-19 en México: Especialista alerta que 12 estados presentan repuntes significativos

México está cerrando su ciclo epidémico y transitando al estado endémico de la pandemia de COVID-19, aseguró a finales de abril de este año el subsecretario de Salud, Hugo López-Gatell. Sin embargo, ya son 12 entidades federativas que presentan repuntes significativos, de acuerdo con Arturo Erdély, actuario y doctor en Ciencias matemáticas por la UNAM. Arturo Erdély, quien se ha dedicado al análisis estadístico de la […]

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