新冠病毒通过其表面的刺突蛋白入侵宿主细胞。人体感染新冠病毒后，会产生针对刺突蛋白不同结构域的中和与非中和抗体。其中，一部分靶向刺突蛋白N端结构域（NTD）的抗体被发现能以不依赖于抗体Fc的方式增强病毒对细胞的感染，这类抗体被称为靶向NTD的感染增强型 ...

Scenario-based training across all 12 HACCP steps, eHACCP.org strengthens PRP control, reducing hidden contamination ...

Emerging pathogens and chemical contaminants disrupt normal interaction in the environmental ecosystem. These contaminants ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact [email protected]. To estimate the number of illnesses, Scallan Walter and ...

Aquaculture is critical for feeding a hungry planet, but it does not need to be as reckless as it is today.

Particles of plastic float in the ocean. Microplastics are able to carry pathogens from land to parts of the ocean they would normally never reach, a UC Davis study found. (Getty) Microplastics are a ...

Microplastics are a pathway for pathogens on land to reach the ocean, with likely consequences for human and wildlife health, according to a new study. This study connects microplastic pollution in ...

This is an updated version of a story first published on Oct. 30, 2022. The original video can be viewed here. In January, Uganda declared an end to the outbreak of the deadly Ebola virus that alarmed ...

Washing Raw Chicken Before Cooking Let's be real, washing chicken feels like it should make it cleaner. Growing up, maybe you ...

CHICAGO (CBS) -- Warmer temperatures are impacting the food supply and its safety, experts warned amid an outbreak of E. coli that has struck McDonald's Quarter Pounders. Experts said pathogens—the ...