Kenya confirmed its first pandemic H1N1 case on June 29, 2009, and surveillance traced four separate introductions. Secondary household transmission averaged 26 percent, comparable to rates reported for seasonal flu, though the report calls for more rigorous studies.
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Disease
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Disease
Swine flu cases in England rise dramatically
England's Health Protection Agency reported about 53,000 new swine flu cases in a week, up 96 percent from 27,000, with 5- to 14-year-olds hardest hit. Roughly 506 patients were in hospital and 93 had died, as the NHS began vaccinating at-risk groups and health workers.
Disease
ALERT: Special Swine Flu Update
A placeholder post saying the full swine flu update is still being fact-checked, pointing readers to two videos and promising an interview with National Vaccine Information Center founder Barbara Loe Fisher.
Disease
SOME young people at high risk of H1N1 flu
CDC officials reported that 53% of patients hospitalised with H1N1 across 27 states were under 25 and only 7% were 65 or older, and that 23.6% of 292 reported deaths were in under-25s — the reverse of seasonal flu, where about 90% of deaths are over 65.
Disease
H1N1 found in Minnesota pigs
USDA said a pig sampled at the Minnesota State Fair tested positive for H1N1, the first detection in a U.S. pig. Agriculture Secretary Tom Vilsack told trading partners there is no scientific basis to restrict pork trade and that people cannot catch the flu from pork.
Disease
New Study Negates Autism/Mercury Link
A study in Environmental Health Perspectives of 452 children aged 2 to 5 found those with autism carried lower blood mercury than typically developing children, a gap researchers attributed to their eating less fish. The piece notes the study has problems of its own.
Disease
Heart attack kills nearly half million Americans each year
Former US Rep and Green Bay news anchor Jay Johnson died at 66 at his home near Washington, apparently of a heart attack. The article uses his death to review heart attacks, which strike about 1.1 million Americans a year and kill about 460,000, and lists the main risk factors.
Disease
Early H1N1 infection may prevent worse strain*
UC Davis researchers found more than a dozen immune targets shared by the 2009 H1N1 virus and seasonal flu strains, which they say may explain why many people over 60 carry antibodies and why symptoms were generally mild. They suggest cell-mediated immunity does the work.
Disease
Chronic Fatigue Syndrome: What you need to know
The 1994 case definition requires severe chronic fatigue of six months or longer with other conditions excluded, plus four or more symptoms: impaired memory or concentration, sore throat, tender lymph nodes, muscle and joint pain, new headaches, unrefreshing sleep and post-exertional malaise.
Disease
Getting infected with flu may be a blessing (Press release)
UC Davis researchers identified more than a dozen epitopes on the 2009 H1N1 virus that also appear in seasonal flu strains. They suggest this may explain why many people over 60 carry some immunity and why symptoms have been generally mild, pointing to cell-mediated immunity.
Disease
Healthy people not immune from H1N1 swine flu
CDC's Anne Schuchat said 45 percent of adults hospitalized with H1N1 had no known preexisting condition and 6 percent were pregnant, though more than half had asthma, lung or heart disease or immune disorders. The figures come from about 1,400 adult and 500 child records.
Disease
Swine flu deaths: What you need to know
CDC figures put the overall H1N1 death risk well below hazards such as traffic accidents, but children face higher risk than adults. As of September 2009, 76 U.S. children under 18 had died, 19 of them in the preceding week, seven in Texas alone.
Disease
Virus linked to chronic fatigue syndrome
A Science study found the retrovirus XMRV in 67 percent of people with chronic fatigue syndrome against 3 percent of healthy controls. The researchers stress they have shown only an association, and plan to try antiretroviral drugs to test whether the virus causes the illness.
Disease
Massive Numbers of Flu Cases Make Specific Diagnoses Impossible
Doctors stopped counting confirmed swine flu cases in July, and patients are often told they have it without any test, so no accurate tally exists. CDC now lets states report either lab-confirmed hospitalizations and deaths or looser “syndromic” cases.
Disease
Children's deaths increase from H1N1 virus, protection is critical: CDC
The CDC reported 76 pediatric deaths from H1N1, 19 of them in a single week, with the virus now widespread in 37 states, up from 27. Dr. Anne Schuchat says most people in a given community are susceptible, while a CBS poll found over a third of parents would not vaccinate their children.
Disease
Virus linked to Chronic Fatigue Syndrome
Researchers found the XMRV virus in 67 percent of 101 chronic fatigue syndrome patients and in 8 of 218 healthy people. The virus, also linked to prostate cancer, has not been shown to cause either illness. The findings, published in Science, raise hopes for antiviral treatment.
Disease
Adolescents with ADHD and Depression More Likely to Have an Internet Addiction
A Taiwanese study in the Archives of Pediatrics and Adolescent Medicine found boys and girls with ADHD or hostility issues were more likely to be addicted to the internet, and girls with social phobia or depression had more trouble leaving it. Some clinicians want the condition added to the DSM.
Disease
Tim Tebow concussion
Florida quarterback Tim Tebow was hit in the third quarter against Kentucky, vomited on the sideline, briefly lost consciousness and was taken by ambulance to a Lexington hospital. CT scans showed a concussion with no brain bleeding; his parents called it mild.
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