To answer: As you have probably noticed, colds occur more frequently in the fall and winter. One explanation is that more people are crowded together in buildings when school starts and the weather cools. Design an experiment or epidemiological survey to test the hypothesis that crowded conditions explain the prevalence of colds in the fall and winter. Introduction: The common cold occurs in humans and most of the individuals are infected with the common cold at least two times per year. The rhinoviruses are the most common infection in the upper respiratory system. The common cold infects mostly in the nose, but it also causes infection in sinuses, larynx, and throat. The common symptoms include a sore throat, sneezing, running nose, headache, coughing, and fever.

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As you have probably noticed, colds occur more frequently in the fall and winter. One explanation is that more people are crowded together in buildings when school starts and the weather cools. Design an experiment or epidemiological survey to test the hypothesis that crowded conditions explain the prevalence of colds in the fall and winter.

Introduction:

The common cold occurs in humans and most of the individuals are infected with the common cold at least two times per year. The rhinoviruses are the most common infection in the upper respiratory system. The common cold infects mostly in the nose, but it also causes infection in sinuses, larynx, and throat. The common symptoms include a sore throat, sneezing, running nose, headache, coughing, and fever.

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