It could be a common cold, a case of the flu – or Covid-19. What symptoms to look for:Early signs of cold, flu and Covid-19 tend to be similar, El-Sayed said. Even if you're not feeling symptoms yet, it may be best to exercise caution if you have been around someone who tested positive for Covid-19. At this point, it is safest to treat all cold symptoms carefully, Combs said. If you are feeling symptoms, now is the time to take a test, El-Sayed said.

Source: CNN January 04, 2022 00:17 UTC