A place that is full of people with the possibility of infection of viruses or diseases
via close contact via people or "
gross" environments, humid and warm temperatures, and people who are not minding etiquette in
spread of coughing, sneezing, washing hands, or touching food.
John, that party sucked last night! Everybody was sticking their
hands in the food and being all sweaty around each other. What a petri
dish.