Symptoms of influenza (flu) can include: fever cough sore throat runny or stuffy nose body aches headache chills fatigue some people may also have vomiting and diarrhea. People may be infected with the flu, including 2009 H1N1 flu, and have respiratory symptoms without a fever.
The number of immigrants from Mexico and Europe living in the U.S. has actually declined slightly since 2010, but Mexicans still make up the largest immigrant population in the United States, with 11.6 million legal and illegal immigrants residing here.
It is the largest city in the United States with a long history of international immigration. New York City was home to nearly 8.5 million people in 2014, accounting for over 40% of the population of New York State and a slightly lower percentage of the New York metropolitan area, home to approximately 23.6 million.