Trump has met Putin twice as president, at the G20 summit in Germany last summer and briefly at the Asia-Pacific economic summit in Vietnam in November.
Trump tweeted that after House Speaker Nancy Pelosi criticized Birx for being "too positive" on his handling of the pandemic, Birx "took the bait & hit us".
Trump was impeached in December by the Democratic-controlled House, which passed two articles of impeachment accusing him of abuse of power and obstruction of Congress.
Trump, a Republican, broadened ICE's focus within days of taking office in 2017, saying no immigrants should be considered exempt from law enforcement.
Trump made the remarks in a 22-minute speech at the national assembly, South Korea's parliament.
Trump's visit to China from Wednesday to Friday will be the first by a head of state to China since the Communist Party of China's 19th National Congress, which ended on Oct 24, and it comes at a significant moment in China-US relations, said Zheng Zeguang, vice-foreign minister.
乌鲁木齐什么是散光眼有什么影响
Trong said that the fact that it is Xi's first trip overseas after the congress shows the high level of attention of the CPC and Xi to advancing Vietnam-China relations.
Try to picture life-size terracotta sculptures by your side as you eat, sleep and use the bathroom. A hotel in Xi'an that offers this fully immersive experience has become popular with tourists.
Trump applauded the achievements China has made regarding economic development and said he expects a successful state visit.
Trump's tweet infuriated many who've long argued that women are frequently overwhelmed, confused and ashamed by sexual attacks and keep silent or even bury the memory without confiding with anyone. Using a combination of Justice Department statistics and Census Bureau surveys, the government says fewer than 1 in 4 rapes and sexual assaults were reported to police in 2016.