Are farm workers more susceptible to covid-19 than other people?

NO: Actually, the evidence supports the opposite. In general the rural populations do not seem to be having as much problem. I live in a rural area and it is business as usual . Actually getting outside and working seems to be of benefit. This is an observation locally and looking at the "hot spots". The following article should help:https://articles.mercola.com/sites/articles/archive/2020/04/27/coro

Social distancing: Many people who work in meat packing plants have become infected due to lack of social distancing and other protections in their workplace. However, working on a farm, does not increse someones risk of being infected with COVID 19.