Christine has expressed skepticism about mainstream accounts of the 2020 pandemic on his Common Sense podcast, suggesting the global shutdowns looked suspicious and questioning whether businesses were targeted. He has also disputed claims of systemic racism in U.S. healthcare — a stance at odds with the CDC’s 2021 statement that racism is a serious public-health threat.
Christine is leading the response to the MV Hondius hantavirus outbreak, which has resulted in three deaths and multiple hospitalizations and quarantines across several countries, including the U.S. At a May 11 press briefing he described the U.S. effort as "grounded in science."