Swine flu outbreak causes worldwide concern

An airport employee cleans a window at Barajas airport in Madrid, Spain. Spain’s health ministry on Tuesday confirmed a second case of swine flu in the country and raised the number of people under observation to 32.

Read more about the swine flu outbreak.  (Arturo Rodriguez / Associated Press)

South Korean quarantine officers try to take nasal samples from a baby who arrived from the U.S. at Incheon International Airport.

Read more about the swine flu outbreak.  (Song Kyeong-Seok / EPA)

A nurse wearing protective clothing leaves an isolation area at the hospital in Steyr, Austria. A 28-year-old Austrian woman who recently returned from Mexico has been placed in quarantine at the hospital on suspicion that she may be the country’s first patient with swine flu, a spokeswoman for the hospital said.

Read more about the swine flu outbreak.  (Hannes Markovsky / EPA)

Lorenzo Uroza waits for a public bus at the airport in Bilbao, Spain.

Read more about the swine flu outbreak.  (Alvaro Barrientos / Associated Press)

A government veterinarian in protective clothing takes a blood sample from a pig to test it for swine flu in the Cairo slum of Mukatam, Egypt. Though there have been no reported cases of swine flu in Egypt, there have been recent deaths from bird flu.

Read more about the swine flu outbreak.  (Khaled El-Fiqi / EPA)

Pigs are being fed at a pig farm near Tetovo, Macedonia. The government there has banned all imports of living pigs because of the swine flu outbreak.  (Georgi Licovski / EPA)

A Customs and Border Protection officer checks the immigration documents of a driver coming from Mexico at the San Ysidro Port of Entry. Officials are trying to screen for possible swine flu cases. The Mexican government has ordered schools closed nationwide as more possible swine flu cases emerge.  (Don Bartletti / Los Angeles Times)

Maria Castro and her three children walk through a revolving pedestrian gate into Tijuana. The youngsters are wearing masks for the day trip into Mexico, where swine flu is suspected in the deaths of 149 people.  (Don Bartletti / Los Angeles Times)

At the San Ysidro trolley stop along the San Diego-Tijuana border, a newspaper headline spells it out: “Virus spreads; 103 are dead.” Mexican officials have raised the alert to Level 4, which means the outbreak has been restricted to one geographic area.  (Don Bartletti / Los Angeles Times)

Custodian John Garcia cleans a desk at St. Mel’s Catholic School in Fair Oaks, Calif., near Sacramento, where a seventh-grader was confirmed to have contracted swine flu and and three other children have shown similar symptoms. All four had mild cases and recovered or are recovering; the school will be closed until at least Thursday.  (Rich Pedroncelli / Associated Press)

A sign hangs on a locked gate today at a city park in Cibolo, Texas, where three high school students have contracted swine flu.  (Eric Gay / Associated Press)

Newspaper vendor Irene Flores wears a surgical mask as she sells newspapers at the US- Mexico border crossing in Tijuana. The masks are believed to help the wearer avoiding spreading his or her germs.  (Guillermo Arias / Associated Press)

At Singapore’s Tan Tock Seng Hospital, a separate assessment area has been set up for those who may have the swine flu virus. A fully gowned staff member at the hospital, which specializes in respiratory diseases, stands behind a sign alerting members of the public to report to hospital staff if they have been to certain countries.

Read more about the swine flu outbreak.  (Wong Maye-E / Associated Press)

Police officers patrol the streets of Mexico City wearing masks to ward off infection.

Read more about the swine flu outbreak.  (Luis Acosta / AFP / Getty Images)

A medical staff member wearing a mask closes a door at La Fe Hospital in Valencia, Spain, where someone with symptoms of swine flu was being treated. Spain’s Health Ministry confirmed the country’s and Europe’s first case of swine flu on Monday and said another 20 people were suspected of having the disease. Health Minister Trinidad Jimenez said the patient was a young man who had recently returned from Mexico.

Read more about the swine flu outbreak.  (Alberto Saiz / Associated Press)

In dowtown Hong Kong, a newspaper headline focuses on the outbreak.

Read more about the swine flu outbreak.  (Vincent Yu / Associated Press)

South Korean quarantine researchers check samples of Mexican pork at the National Veterinary Research and Quarantine Service in Anyang.  (AFP / Getty Images)

A Filipino man applies oil to roasted pigs to make them more attractive to buyers in Manila, Philippines. Philippine health officials say the country remains free of swine flu as the World Health Organization warns countries around the world to be on alert of any unusual flu outbreaks.  (Aaron Favila / Associated Press)

A Taiwanese government official works to disinfect a pig farm in central Taiwan as a preventive measure.  (Sam Yeh / AFP / Getty Images)

Travelers cover their faces with handkerchiefs after arriving at the Barajas airport in Madrid. Spain became the first nation outside North America to confirm a case of a swine flu, while other countries quickly instituted new security measures at airports and put sick travelers under observation.  (Arturo Rodriguez / Associated Press)

Nuns wear face masks at the Metropolitan Cathedral in Mexico City.

Americans warned to be ready for swine flu outbreaks.  (Mario Guzman / EPA)

A child outside the National Respiratory Illnesses Institute, IMER, in Mexico City.

Americans warned to be ready for swine flu outbreaks.  (Marco Ugarte / Associated Press)

Police in Mexico City wear face masks as a precaution against swine flu.

Americans warned to be ready for swine flu outbreaks.  (MARIO GUZMAN/ EPA)

A sign outside a drugstore reads “Sorry, we’re out of masks,” at the Pino Suarez subway station in Mexico City.

Americans warned to be ready for swine flu outbreaks.  (Alfredo Estrella AFP/Getty Images)

A sign on the door at St. Francis Preparatory School in Queens, New York.

Americans warned to be ready for swine flu outbreaks.  (Daniel Barry / EPA)