Minority parliamentary leader Kevin McCarthy (R-Calif.) Tweeted an all-caps rant against the vaccination warrants on Sunday.
“NO VACCINE MANDATE,” her message simply read.
McCarthy’s message did not mention a specific vaccine. However, it comes as Republicans fight pressure from President Joe Biden to demand that most Americans get vaccinated against COVID-19.
The congressman was among the first people in the United States to receive a coronavirus vaccine. He tweeted about getting a “safe and efficient” shot on December 20, just nine days after the Food and Drug Administration issued an emergency use authorization for the Pfizer shot.
Vaccination warrants have been common throughout United States history.
As a military general, for example, George Washington ordered his troops to be vaccinated against smallpox in 1777 via a precursor to vaccination called variola. The US military currently requires multiple vaccinations, depending on role and location.
School immunization mandates have existed in one form or another for over 150 years.
McCarthy’s critics had no patience for his all-caps post:
This article originally appeared on HuffPost and has been updated.