Medically reviewed by Anju Goel, MD COVID symptoms can develop 2-14 days after exposure and might worsen over time.Both cold and COVID are highly contagious, spreading before symptoms appear and while ...
Most colds go away within seven to 10 days, but coughing and congestion can last longer. You become contagious as soon as symptoms appear, so wash your hands and cover your coughs. Rest, drink plenty ...