More than 100 people died in Mexico, more than 1,500 people are diagnosed positive to the virus. There are also cases in the United States and Europe. The outbreak of swine flu spreads very rapidly to different countries. It makes feel kinda scary.
People wearing protective masks pay respects to Our Lady of Guadalupe as they passed over a walkway under Guadalupe's shrine at the Basilica de Guadalupe in Mexico City, on Sunday, April 26. Mexico's biggest Catholic church, was shut down and masses were canceled as a precaution to keep large crowds away as more deaths are believed to have been caused by the swine flu outbreak that continued to plague Mexico City.
Health officials check passengers from Los Angeles through Taipei at the arrival hall of Kuala Lumpur International Airport in Sepang, Malaysia, Monday, April 27. Malaysia's Health Ministry has issued a statement, saying it has set up an operations room to monitor the situation and coordinate with WHO.
Passengers, wearing surgical masks as a precaution against infection, arrive at the airport in Mexico City, Sunday, April 26. Health workers screened airports and bus stations Sunday for people sickened by a new strain of swine flu that experts fear could become a global epidemic.
Pilots wearing masks arrive at Barajas Airport in Madrid Monday, April 27. Spain on Monday became the first nation outside North America to confirm a case of a swine flu, while countries from New Zealand to Israel quickly instituted new security measures at airports and put sick travelers under observation.
A couple wearing masks kisses at the Historic Center in Mexico City on April 25. An outbreak of deadly swine flu in Mexico and the United States has raised the specter of a new virus against which much of humanity would have little or no immunity.
A street musician wearing a surgical mask plays in a square at the Coyoacan neighborhood in Mexico City, Sunday, April 26. Public officials closed stadiums to the public Sunday, church services were canceled and health workers screened airports and bus stations for people sickened by a new strain of swine flu that experts fear could become a global epidemic.
A woman wearing a mask sits inside the subway at the Pino Suarez station in Mexico City, on April 26. As a preventive measure against contagion of the deadly swine flu virus, more than 500 cultural and athletic events -- including mass celebration-- were canceled by government order in the capital city alone. Authorities banned large gatherings for at least 10 days.
Police officers patrol the streets of Mexico City wearing masks to ward off infection by the new multi-strain swine flu virus, on April 26. Mexico's president, Felipe Calderon, on Sunday called for calm in the face a swine flu outbreak that has killed dozens of people in the country, urging citizens to work with authorities to contain the virus. Suspected swine flu cases were being tested in Europe, the Middle East and Asia, after the new strain emerged out of Mexico several days ago.
Erika Cruz, left, helps her husband Miguel Anguel Esquivel walk toward the emergency entrance of the National Institute of Respiratory Illnesses in Mexico City on Sunday, April 26. They were seeking help for Esquivel, who was visibly ill and was grunting, sweating and wearing tissue paper in his ears as the couple hurried to the hospital with him showing symptoms of the influenza virus that has plagued the city.
San Diego County micro-biologist Ayesha Khan does research on samples at the San Diego County Public Health lab in San Diego Sunday, April, 26. The agency is working with the Centers for Disease Control and Prevention and the California Department of Public Health to determine how four people in San Diego county became infected with the swine flu. If the tests show a strain of the flu virus that is not recognized, the samples are sent to the Centers for Disease Control and Prevention to be further tested for the swine flu.