Our immune systems are remembering COVID-19 and fighting against its variants, study finds

Two years into the COVID-19 pandemic, researchers wanted to know how well human beings are holding up against its variants. Here's what they found:

Long COVID symptoms can include pain, fatigue and brain fog weeks or months after the initial infection.

"Can your body recognize the virus when it comes in? the markers that are on your immune cells... have the capability to even see it at all?"is reassuring. While researchers did identify variants with the potential to escape our body's immune response, there's good news. Scientists only detected failure up to 15% of the time.

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