Anything contagious, such as the flu, is always automatically infectious: if you can catch it from someone, it's being passed to you via an infectious agent, which is the thing that gets you …

Nov 22, 2025 · Here's How To Tell If You're Still Contagious After Being Sick Experts reveal the signs that you're no longer at risk of spreading illnesses like COVID, flu and strep throat to others.

A contagious disease can be caught by touching someone who has the disease or by touching an infected object, or by an infected person coughing, sneezing, etc. near you:

Contagious, infectious are usually distinguished in technical medical use. Contagious, literally “communicable by contact,” describes a very easily transmitted disease as influenza or the …

A feeling or attitude that is contagious spreads quickly among a group of people. Laughing is contagious. Antonio has a contagious enthusiasm for the beautiful aspect of food.

Most epidemics are caused by contagious diseases, with occasional exceptions, such as yellow fever. The spread of non-contagious communicable diseases is changed either very little or …

Nov 17, 2025 · contagious (comparative more contagious, superlative most contagious) Last year's flu strain was so contagious that everybody in town got sick! Wearing jeans was a …