Key developments on swine flu outbreaks, according to the U.S. Centers for Disease Control and Prevention, the World Health Organization and government officials:
- Deaths: Global total of 61 56 in Mexico; three in the U.S.; one in Canada and one in Costa Rica. One of those who died in the U.S. was a toddler from Mexico. Officials said the Canadian, U.S. and Costa Rican victims also had other medical conditions.
- Confirmed cases, according to WHO and CDC: About 4,800 in 31 countries, including at least 1,626 in Mexico, 2,618 in the United States and 330 in Canada.
- China confirms its first case on mainland, a student who had been in U.S. Health authorities scramble to quarantine hundreds of passengers who flew with him on flight from Japan and a domestic flight.
- Cuba says a Mexican who came to the island to study was sick with the virus. Cuba said the student was among a group from several Mexican states that began arriving April 25 four days before Cuban authorities halted airline flights from Mexico in hopes of keeping out the illness.
- Japan reported its first four cases: a teacher and three students who had been on school trip to Canada. Australia reported its first confirmed case Saturday.
- Swiss drugmaker Roche says it has granted licenses to two companies in China and one company in India to produce generic versions of Tamiflu. It has also announced a transfer of technology to a company in South Africa.
- Mexico provided details Monday of a 14 billion peso ($1.1 billion) package to help restaurants, hotels and other businesses that have lost tourism money.
- A study published in the journal Science estimates that Mexico may actually have had 6,000 to 32,000 cases. The study estimates that between 0.4 percent and 1.4 percent of swine flu cases are fatal.
- WHO says up to 2 billion people could be infected if outbreak turns into pandemic over months or years. But WHO flu chief Keiji Fukuda says it's too early to tell how widespread or severe the outbreak will become.
- Following disinfections, most of Mexico's primary schools and kindergartens reopen Monday after nationwide shutdown ordered to slow spread of the virus. Six states ordered weeklong extension of closing.
- Mexico pulls out of Chinese trade fair over China's quarantining of dozens of Mexican travelers, flight cancelations and ban on its pork imports.
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