Posts

Showing posts from February, 2021

COVID-19 Vaccinations: A Quick Runthrough of What Vaccines Are and How Much Progress We've Made

Image
 Hello everyone,  I know I haven't been posting a lot. I've been having a bit of writer's block plus the school year started for me, so I don't really have to write anymore. However, I will try to write some more because I do have some more ideas on what I want to write about. This blog post is going to be a quick update about where the world is regarding COVID-19 vaccines.  How do vaccines work?  Vaccines have weakened or inactive parts of a virus (antigen) that trigger an immune response within the body. The weakened version of the antigen will most probably not cause disease in the person receiving the vaccine, but it will prompt the immune system to respond much like it would have on the first reaction to the actual pathogen. Some vaccines require multiple doses given weeks or months apart. This is to allow for longer production of antibodies (cells that fight against the antigen) and development of memory cells (cells that remember the antigen so they can fight ...