coronavirus

The answer to stopping the coronavirus may be up the nose

The answer to stopping the coronavirus may be up the nose

The Covid-19 vaccines authorized for use today were developed at unprecedented speed and surpassed expectations in how well they worked. The billions of people who are protected by them have avoided severe symptoms, hospitalization and deaths. These vaccines are a scientific success beyond measure. And yet they could be even better. The enemy has evolved, …

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Today’s coronavirus news: US deaths from COVID hit 1 million

The latest coronavirus news from Canada and around the world Monday. This file will be updated throughout the day. Web links to longer stories if available. 11:30 a.m. Quebec is reporting five more deaths linked to COVID-19 and an 11-patient drop in the number of hospitalizations associated with the disease. The Health Department says 1,611 …

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Exploring age-associated differences in T lymphocyte immune responses after BNT162b2 vaccination

In a recent study posted to the bioRxiv* preprint server, researchers compared the immunogenicity of, and reactogenicity to, the BNT162b2 vaccine, a coronavirus disease 2019 (COVID-19) messenger ribonucleic acid (mRNA) vaccine, in Japanese adults and elders. Study: Delayed antigen-specific CD4+ T-cell induction correlates with impaired immune responses to SARS-COV-2 mRNA vaccination in the elderly. Image …

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