As we go into the colder seasons during the pandemic, it might be difficult to tell the difference between some symptoms from COVID-19. 22newsapproachesberkshireCoronavirusCOVID-19COVID-19 immune systemCOVID19flufranklinhampdenHampshireimmune systemIMMUNITYSeasonsymptomsvideoVITAMINvlogwestern masswwlpYouTube