What is the message of the cow pock?

"The Cow Pock" is a satirical poem by William Wordsworth that critiques the early anti-vaccination movement, particularly the opposition to Edward Jenner's smallpox vaccine derived from cowpox. The poem highlights the absurdity of fear and misinformation surrounding vaccination, using humor to underscore the importance of scientific progress and public health. Ultimately, it advocates for the acceptance of vaccination as a means to protect society from deadly diseases.