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SARS-CoV-2 Stays in GI Tract Long After It Clears the Lungs

New data present further evidence that SARS-CoV-2 infection can settle in the gastrointestinal (GI) tract and that it can persist long after the infection has cleared the lungs. Infection of the GI tract may figure prominently in long COVID, the study authors suggest. Led by Aravind Natarajan, PhD, with the […]

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More Antibodies With Longer Intervals Between COVID Vaccine Doses

LISBON, Portugal — An overall ninefold increase in COVID-19 antibody levels can be seen with a longer interval between first and second doses of the Pfizer/BioNTech (BNT162b2) vaccine in people without prior infection, according to data from the UK government’s SIREN (SARS-CoV-2 Immunity and Reinfection Evaluation) study. This interval-dependent antibody […]

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Tras eliminación de uso obligatorio de cubrebocas en BC, sector médico llama a no confiarse

La recomendación es usarlo principalmente en sitios cerrados, eventos masivos y transporte público. Tijuana.- Aunque a partir de este lunes se decretó que el uso de cubrebocas será voluntario en Baja California, el sector médico organizado hace un llamado a no bajar la guardia. “Que la gente no se confíe, […]

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Más riesgo de infección y de muerte por COVID-19 en personas con trastorno por consumo de sustancias, aun estando vacunadas

MADRID, ESP. Las personas con un trastorno por consumo de sustancias presentan un riesgo más elevado de infectarse y de fallecer a causa de la COVID-19 que la población general, incluso habiendo recibido la pauta vacunal completa. Así lo ha demostrado una línea de investigación liderada por la psiquiatra mexicana […]

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Pfizer Vaccine Potentially Linked to Hearing Loss

The World Health Organization is investigating rare instances of hearing loss and other auditory disturbances associated with COVID-19 vaccinations – primarily the Pfizer-BioNTech shots, according to a report from WHO. Of 11 billion doses given, a WHO newsletter reported 164 cases of hearing loss worldwide among people who had received Pfizer-BioNTech, Moderna or AstraZeneca […]

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Even Mild COVID-19 May Change the Brain

Alarge study comparing brain scans from the same individuals before and after SARS-CoV-2 infection suggests that brain changes could be a lingering outcome of even mild COVID-19. Writing in Nature, researchers at Oxford University’s Wellcome Centre for Integrative Neuroimaging reported that several months after study participants had SARS-CoV-2 infections, they had more gray […]

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COVID-19 immune response improves for months after vaccination

Vaccines are the best way to protect yourself against COVID-19. They elicit a strong defense against SARS-CoV-2, the virus that causes the disease. Vaccines activate your body’s disease defense system, called the immune system. The response starts by engaging two kinds of immune cells: B cells, which produce antibodies that […]

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US to Extend Airplane, Transit Mask Mandate Through April 18

President Joe Biden’s administration will extend requirements for travelers to wear masks on airplanes, trains and in transit hubs through April 18 as public health authorities review when mask requirements should be dropped, the White House confirmed. The move extends the current requirements that were set to expire March 18 […]

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Sudden Hearing Loss After COVID Shot: Slight Risk or Just Noise?

U.S. data continued to show no association between sudden sensorineural hearing loss and COVID-19 vaccines, but a population-based study in Israel hinted at something different. Estimated incidence of hearing loss after COVID vaccination was not higher in the CDC’s Vaccine Adverse Events Reporting System (VAERS) than expected from U.S. population […]

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COVID-19 vaccines and blood clots: Two large studies investigate

Two large studies have found a small increase in the absolute risk of rare types of blood clot in the head following a first dose of the AstraZeneca COVID-19 vaccine. An increased risk of a type called intracranial venous thrombosis only applied to individuals under 70 years of age. The […]

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