Here's what you need to know.
Swine flu is popping up in Mexico, the United States, and Canada, and the virulent strain is sparking debate about public health initiatives. Slatetackles your questions, ranging from why the flu is most deadly in Mexico to whether there are strains of the flu for every type of animal—not just pigs and birds.
"Blowing the Shot: What we can learn from the shortage of H1N1 vaccine," by Marc Siegel. Posted Nov. 2, 2009.
"Pig Pile: The bizarre alliance of the far left and far right against swine flu vaccinations," by Christopher Beam. Posted Oct. 12, 2009.
"Sniffing Out Swine Flu: Researchers hope to create a better way to diagnose swine flu and other ailments," by Amanda Schaffer. Posted Oct. 7, 2009.
"Up Your Nose or Down Your Throat? How doctors decide what form a drug will take," by Christopher Beam. Posted Oct. 2, 2009.
"First They Came for the Pigs: The terrible consequences of Egypt's swine slaughter," by Christopher Hitchens. Posted Sept. 28, 2009.
"To Boost or Not To Boost: The United States' swine flu vaccines will leave millions worldwide unprotected," by David Dobbs. Posted Sept. 17, 2009.
"Burying the Swine Flu Lede: The top dailies are too upbeat about the coming pandemic," by Jack Shafer. Posted Sept. 11, 2009.
"Cabin Fever: Trying to stop the spread of swine flu at summer camp," By Marc Siegel. Posted July 10, 2009.
"WHO and the Flu: The problems with the World Health Organization's approach to pandemics like swine flu," by Marc Siegel. Posted May 14, 2009.
Pig photo on Slate home page by John Foxx/Stockbyte/Getty Creative Images.