Covid-19 is an infectious disease that was first discovered in December 2019. It causes respiratory symptoms, fever, cough, sore throat, muscle aches, headache, fatigue, nausea, vomiting, diarrhea, breathing difficulties, chest pain, confusion, loss of smell, and red eyes. It spreads from person to person through droplets in the air when someone who has it sneezes, … Continue reading When Are You No Longer Contagious with Covid