The new ABCs: Students in many parts of the world have gone back to school amid worries about the A(H1N1) virus, aka the swine flu pathogen, which is easily spread in group settings. In the Philippines, school began on June 1 as scheduled despite concerns about the virus. Although a few schools closed temporarily due to reported cases, most remained open and gave students lessons on how to stay healthy and avoid spreading illnesses. Above, the traditional ABCs were replaced with A(H1N1) as a student in Manila learned about the virus on June 1.

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