1783.
The reader will perhaps remark, that from the middle of January to the first of May, not a single case occurs, and that the amount of cases is likewise less than in the preceding or ensuing years; to prevent erroneous conjectures or conclusions, it may be expedient to mention, that the ill state of my own health obliged me to retire from business for some time in the spring of the year, and that I did not perfectly recover until the following summer.