Why you might feel sick after getting a Covid-19 vaccine. Subscribe to our channel! http://goo.gl/0bsAjO Every vaccine can have side effects like muscle pain, fever, or headaches; and some of the new Covid-19 vaccines are even likelier to give you those side effects than you may be used to. But the scientists who work most closely with vaccines emphasize that when a vaccination makes you feel sick, it's almost never a bad sign. And once you understand why vaccine side effects happen, you may even be happy to get that headache. Read more about why the Covid-19 vaccines may feel different from other routine shots: https://www.vox.com/22158238/covid-19-vaccine-side-effects-explained Much of the data in this video came from the clinical trial reports for the first two studied vaccines to become available. You can read those courtesy of the US Food and Drug Administration: Moderna: https://www.fda.gov/media/144434/download Pfizer/BioNTech: https://www.fda.gov/media/144245/download Vox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out http://www.vox.com/. Watch our full video catalog: http://goo.gl/IZONyE Follow Vox on Facebook: http://goo.gl/U2g06o Or Twitter: http://goo.gl/XFrZ5H