Texas Officials Report 2nd Swine Flu Death in U.S.

May 5 -- TUESDAY, May 5 (HealthDay News) -- A Texas woman who lived along the U.S.-Mexico border and had chronic health problems died this week after contracting swine flu, state health officials said Tuesday.

The death of the woman, who lived in Cameron County, the southernmost county in the state, was "the first death of a Texas resident with H1N1 flu," state health officials said. No other details were available, the Washington Post reported.

Last week, a 23-month-old boy from Mexico, who also had underlying health problems, died from the swine flu illness in a Houston hospital. He was the first fatality in the United States from the current swine flu outbreak.

Meanwhile, U.S. health officials said Tuesday that the outbreak of swine flu appears similar to the seasonal flu in its severity, so schools across the nation should remain open and any schools that did close should reopen.

This announcement marked a change from the previous guidance, which recommended that affected schools close for at least two weeks. The U.S. Education Department has said that more than 430 schools have been closed nationwide because of flu fears, affecting about 245,000 children.

Students who are sick with flu-like symptoms should stay home for at least a week, officials cautioned.

"The good news is that while that guidance recognizes the fast transmission, the end result has been a more mild version of the disease than was originally feared and the lethality seems at a much less significant level," U.S. Health and Human Services Secretary Kathleen Sebelius said during an afternoon press conference. "So, there is new guidance being put out that will recommend that schools cease closing with affected cases."

The change in guidance does not mean that scientists know much more now than they did before about what the virus will do, Sebelius stressed. "We don't know what will happen over the course of the summer, and we certainly don't know what will happen when we get back into the [fall] flu season," she said.

"We are learning more about the H1N1 virus every day," Sebelius said. "We know there will be more cases and, unfortunately, there are likely to be more hospitalizations and more deaths. We are working as fast as we can to stay ahead of this disease."

Although the flu is milder than thought, it continues to spread throughout the country and many more cases are expected.

As of Tuesday there were 1,105 probable and confirmed cases across 44 states, Dr. Richard Besser, acting director of the Centers for Disease Control and Prevention, said during a teleconference. "There are over 700 probable cases and 403 confirmed cases. The confirmed cases are in 38 states," he said.

On Monday, federal health officials said that much of the recent bump upward in cases was due to health workers catching up on a backlog of lab tests, and not a sudden rise in new infections.

Still, "we are continuing to see virus transmission and expect to continue to see virus transmission both around the United States and around the globe," Besser said. "We would expect to see cases in all states over time, and we will see more hospitalizations and it is likely we will see additional deaths."

However, a closer look at the flu in Mexico -- believed to be the source of the outbreak -- has revealed that it is really not very different from the flu seen in the United States, Besser said. "We are seeing more cases in Mexico of the milder disease," he said.

At another press conference on Monday, Besser told reporters that "we are not out of the woods," but he added that "we are seeing a lot of encouraging signs."

Among the encouraging signs: "So far the severity of illness we are seeing in this country is very similar to what we see with seasonal flu," Besser said. "And that's encouraging information."

In addition, some of the initial lab tests are heartening, Besser said. "The lack of some of the factors that have been associated with more severe disease in previous pandemics, we are not seeing those," he said.

Testing for the virus is also becoming faster, Besser said. "We have distributed test kits to every state and this will allow for more rapid diagnosis at the state level," he said.

And, he added: "The situation in Mexico is encouraging. It appears that things are leveling off in Mexico."

In fact, the Mexican government on Tuesday announced moves to revive an economy that had been leveled by the swine flu outbreak. According to the Associated Press, while annual Cinco de Mayo festivities were more or less canceled this year, car traffic was noticeably busier in Mexico City on Tuesday and fewer people were seen wearing surgical masks.

All of this followed the declaration by Mexican officials on Monday that the epidemic appeared to be waning, with no deaths linked to swine flu recorded since April 29. The country's flu alert was scaled back to allow cafes, museums and libraries to reopen this week after a five-day shutdown of nonessential businesses. Universities and high schools will reopen Thursday, and younger schoolchildren are to report back to school on May 11, the AP reported.

"The measures we have taken, and above all the public's reaction, have led to an improvement," Mexico City Mayor Marcelo Ebrard said at a news conference on Monday. "But I insist that the virus is still present, that we need to remain on alert, and the resumption of activities will be little by little, not all at once."

Still, officials from the World Health Organization said it was premature for countries to ease up on efforts to control the outbreak, but added that there were no imminent plans to raise the pandemic alert level. Currently, the WHO has labeled the outbreak a Phase 5 outbreak, meaning the disease is spreading throughout communities in at least two countries in one of the WHO's six regions -- in this case the United States and Mexico. To reach Phase 6, the geographic spread of the disease would have to occur in at least one other country in another region.

The WHO reported Tuesday that the disease continues to spread around the globe, with 21 countries reporting 1,490 cases.

(As of May 5, 2009, 11:00 AM ET)