Community Involvement Specialist Wanda Rosario, center, holds the head of Stephanie Rodriguez, 11, as she receives the swine flu vaccine Monday, Oct. 19, 2009 at Broadmoor Elementary School in Miami. The Miami-Dade County Health Department launched their H1N1 vaccination campaign Monday after having received their initial shipments.
Nurse Shajaira Powell-Bailey measures out a H1N1 vaccination at the Broadmoor Elementary school October 19, 2009 in Miami, Florida. The Miami-Dade County Health Department began distribution its initial shipments of the H1N1 Influenza vaccine and is launching a vaccination campaign in conjunction with the Miami-Dade County Public Schools, The Children’s Trust and The Trust’s partner health agencies.
Montgomery County Health healthcare workers make announcements to residents waiting in a long line for the H1N1 vaccination shot at a clinic held in Silver Spring, Maryland on October 14, 2009. Swine flu is killing fewer people than seasonal flu but is causing greater alarm due to its impact on children and higher healthcare costs, according to a top disease surveillance expert. Denis Coulombier, who heads the European Centre for Disease Prevention and Control's preparedness and response unit, warned that a second wave of swine flu infections could be expected within weeks.
Dr. Toral Shah, center, talks with Sandy Jiminez, left, before examining her son, Sammi, 4, foreground, during the family's visit to a tent clinic where patients with flu symptoms are treated Sept. 28, 2009, outside the emergency room at Dell Children's Hospital in Austin, Texas. Other family members are Keren Jiminez, seated on the left; Miguel Jiminez, seated in the background, and their father, Sergio Jiminez, seated on the right. Some U.S. hospitals are opening drive-thrus and drive-up tent clinics to screen and treat a swelling tide of swine flu patients.
Children wear surgical masks Sept. 25 at "Enrique Rebsamen" school in Oaxaca, Mexico, after three cases of swine flu were confirmed at the school. As of Sept. 27, more than 4,100 people around the world have died from swine flu, according to the World Health Organization.
Medical staff and nurses participate in a swine flu awareness rally in Hyderabad, India, on Oct. 1.
Carrie Miller uses disinfectant to wipe down a special education room at Mary McAshan Gibbs Pre-K Center on Sept. 29 in Huntsville, Texas. All schools in the Huntsville Independent School District were closed for a few days due to students and staff reporting flu-like symptoms.
Workers wear face masks at a branch of Shinhan Bank in Seoul, South Korea, on Sept. 25 after one of its staff members was infected with swine flu.
Dr. Warren Dinges, 41, receives a shot of H1N1 vaccine in Seattle on Aug. 7. Dinges was among a handful of people nationwide to receive the first jabs in clinical trials aimed at assessing the safety and effectiveness of a new vaccine to protect against a pandemic strain of H1N1 influenza.
Teachers measure the body temperature of students before allowing them onto campus Sept. 14 in Suining in southwest China's Sichuan province. Schools and colleges in China have reported numerous swine flu cases since the new semester began, and a health ministry official has warned tens of millions of Chinese could be infected with swine flu in the coming months.
A doctor inoculates a volunteer patient with a trial vaccine against the H1N1 virus, also known as swine flu, on Sept. 10 in St. Petersburg, Russia. The Centers for Disease Control and Prevention shipped about 3.4 million doses of a nasal spray vaccine the first week of October, with the first vaccines slated for health workers, pregnant women, those 6 months to 24 years, caregivers of newborns and those with conditions such as asthma or diabetes that increase the risk of complications from the flu.
An employee of Swiss insurance company Die Mobiliar wears a button Sept. 3 with an X over a picture of shaking hands in Bern, Switzerland. The company wants their employees to avoid shaking hands to protect them from the H1N1 virus.
A health worker uses a black light to show bacteria on a woman's hands during a handwashing demonstration Sept. 3 at the Maryland Department of Health and Mental Hygiene in Baltimore. Frequent handwashing or use of alcohol-based sanitizers are among recommended tips to help prevent the spread of both seasonal flu and swine flu.
A nurse checks the health of students at Kuwait City's French school on Sept. 2 amid fears of a swine flu outbreak after Kuwait reported more than 1,300 cases.
Students at the United International Private School in Dubai learn how to properly wash their hands Aug. 31. The school has launched an awareness campaign for H1N1 influenza as it opens its doors for the new academic year.
A health worker takes the temperature of passengers arriving on an Air China flight from London on July 9 before they get off the plane at Beijing's airport. The temperature check was part of the nation's efforts to combat the spread of the swine flu virus.
A doctor prepares to enter a room where patients with flu-like symptoms are kept in isolation at the National Institute of Respiratory Diseases in Mexico City on May 5.
A quarantine official sprays disinfectant in a South Korean passenger jet from Chicago at Incheon international airport on May 4.
A passenger is scanned for possible alterations in her body's temperature upon her arrival at Mexico City's international airport on April 30.
Commuters wear surgical face masks as they get off the Metro in Mexico City on April 28. The World Health Organization declared a swine flu pandemic -- the first global flu epidemic in 41 years -- in June, less than three months after the virus first came to the attention of health officials.
Doctors at Mexico City's Navy Hospital wear protective gear as they tend to a patients complaining of flu-like symptoms on April 29 in Mexico City, just one month after the first known case was reported in Mexico.