H1N1 Virus (Swine Flu) State Public Health Director Reminds Illinoisans It’s Not too Late to Vaccinate for the H1N1 Flu by Gary Kopycinski on March 29, 2010 Gary Kopycinski Author More in H1N1 Virus (Swine Flu): Lessons Learned From The H1N1 Pandemic October 23, 2010 FDA Clears First 2009 H1N1 Influenza Virus Test Previously Available Under Emergency Use Authorization May 24, 2010 H1N1 Flu: Situation Update, May 21, 2010 May 21, 2010 SPRINGFIELD, Ill.–(ENEWSPF)–March 29, 2010. The Illinois Department of Public Health is continuing to encourage the public to get vaccinated against the H1N1 influenza virus.