Both ethan and his dog seem to have acquired the same infection. make a short list of possible pathogens based on this new information.

Hello there!

#1 Ethan and his dog may both have worms.

Roundworms are likely to be passed from canine to human, especially if a human is around the canine a lot.

A way to prevent this:

Have you're dog/canine friend checked monthly with you're veterinarian for worms. Make sure to have them vaccinated as well.

#2 Ethan and his dog may have a norovirus

Norovirus's is one of the biggest causes of the "stomach flu" also known as the "stomach bug". They are very contagious, and can be passed from canine to canine, canine to human, or even human to canine. You can catch it from a contaminated person, contaminated surfaces, or contaminated animals.

Fact: In different countries this sickness is considered different things. For example, in the UK it is considered the "vomiting bug". In places like the USA it is considered the "Stomach flu" or the "Stomach bug".

Hope this helps you!

~Galexie

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.