CDC - Fever, aches, and chills. Is it a cold or flu? While both are contagious respiratory illnesses, colds generally do not result in serious health problems, and flu can have very
![nychealthy on X: "During this flu season, it may be hard to tell the difference between #flu and #COVID19. Common symptoms for both flu and COVID-19 include: fever or chills, cough, difficulty nychealthy on X: "During this flu season, it may be hard to tell the difference between #flu and #COVID19. Common symptoms for both flu and COVID-19 include: fever or chills, cough, difficulty](https://pbs.twimg.com/media/Enr8KV-WEAEVU02.jpg)
nychealthy on X: "During this flu season, it may be hard to tell the difference between #flu and #COVID19. Common symptoms for both flu and COVID-19 include: fever or chills, cough, difficulty
![NPHCDA on X: "Early symptoms of yellow fever include; fever, chills, severe headache, back pain, general body aches, nausea and vomiting, fatigue, and weakness. Most people recover after these initial symptoms within NPHCDA on X: "Early symptoms of yellow fever include; fever, chills, severe headache, back pain, general body aches, nausea and vomiting, fatigue, and weakness. Most people recover after these initial symptoms within](https://pbs.twimg.com/media/EaEP1HKX0AIGH__.jpg)