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Thursday, February 9, 2006

Two Indonesian women, 23 and 27, have tested positive for the H5N1 strain of avian influenza. They are in “serious condition but seem to be improving,” said Hariadi Wibisono, a senior health ministry official. They are being treated in the designated bird flu hospital, Sulianti Suroso in eastern Jakarta. It is believed that both women had contact with infected poultry. This brings Indonesia’s number of confirmed cases of the virus to 25.

A 26 year old female farmer in Fujian, China whose surname is Lin, also has the deadly H5N1 virus. She was admitted to the hospital in January, but it was only confirmed on Wednesday that she had the virus. Some of the people that have come in close contact with the woman are under observation by local health officials. Her current condition is reported as stable. This is China’s eleventh confirmed case of the virus.

Julie Hall of the Beijing-based World Health Organization said that the latest patient was “highly likely to have had contact with sick animals,” but the WHO is still waiting for information on how she could have gotten the disease.

Some experts believe migrating birds from China’s Qinghai Lake nature reserve are spreading the virus; however, there others who believe it’s shipments of poultry and poultry products along with poultry manure.

As avian influenza confirmed in Nigeria, “We shouldn’t assume that is just in Nigeria” said David Nabarro, the United Nations’ coordinator for bird flu and pandemic influenza. “The outbreak in Nigeria means [we] have another central point for the virus to become embedded into the poultry population.”

About 20 countries have reported outbreaks of the virus in birds which has sickened people who come in contact with the infected birds. If the rate of human infection continues to increase, so does the chance the virus will change into a form easily transmitted by humans.

Wednesday, January 1, 2020

On Sunday, the state of emergency begun on November 15 over a measles outbreak ended in Samoa. The island nation’s cabinet unanimously voted to lift it on Saturday afternoon, and the National Emergency Operation Centre (NEOC) announced the decision that night. NEOC reported a 95% immunization rate on December 24, and the last measles-related death during the state of emergency on December 26.

Restrictions on public gathering and travel were to be lifted, and schools to reopen. The Health Emergency Operation Center were to take over the relief efforts centralized under the National Emergency Operation Centre. The Ministry of Health and the Ministry of Foreign Affairs were tasked to produce a recovery plan within two weeks for consideration by the cabinet.

As of Sunday, the Disease Surveillance Team reported a total of 5667 cases during the outbreak. Out these, 1846 persons were hospitalized and 1720 had already been discharged, while 81 had lost their lives. The December 6 National Measles Response and Recovery Appeal identified children under 5 years of age as having the highest mortality, corresponding with the relative shortfall of vaccination in the age group.

Tupua Tamasese Meaole Hospital returned to normal operation on Sunday, joining Faleolo District Hospital and Leulumoega District Hospital, which returned to normal on Friday. During the peak of the outbreak, Tupua Tamasese Meaole’s Acute Primary Care Clinic and Leulumoega District hospital were made measles wards, and Leulumoega District Hospital was designated to deal with patients without measles, in an effort to quarantine infected individuals. The Australian medical mission’s fifth rotation is to remain on the islands until January 4 to help facilitate the transition. On Sunday teams had already begun to disassemble the tents erected to deal with the large number of admissions.

The state of emergency was expected to end on December 15, but on December 14 it was extended by two weeks to allow the immunization campaign to continue. At the time, the prime minister called for a 100% immunization rate, and stated 92% had been reached. As of Sunday, the rate had reached 95% according to NEOC data. Aid agencies say populations with sufficiently high vaccination rates have enough herd immunity to prevent any further infections from spreading out of control, meaning an infected person is not likely to come into contact with enough unvaccinated people to cause a chain reaction.

UNICEF reported they had delivered over 105 thousand doses of vaccine to Samoa by November 22. The national vaccination campaign started on November 20. A government order made vaccination mandatory and free of charge for children between six months and 19 years of age and for women between 20 and 35, considered childbearing age. On December 5 and 6, the government of Samoa executed a planned shutdown of public services and the private sector to leave room for a nationwide door-to-door immunization drive. The government said 128 vaccination teams participated.

To curb the spread of disease, the government prohibited inter-island travel for those under 19, schools were closed, and authorities recommended residents avoid public gatherings and medical facilities unless they were in need of medical attention. Unvaccinated pregnant women were prohibited from going to their workplaces.

The outbreak was first confirmed by the government on October 16, after the Victorian Infectious Disease Reference Laboratory in Melbourne tested 7 out of 20 suspected cases positive for measles.

In 2019 in the Pacific region, outbreaks of measles were declared in parts of the Philippines first on February 6, Tonga on October 22, Fiji on November 7, and American Samoa on December 8. The D8 strain, which caused a New Zealand outbreak, has been identified in Samoa and Fiji. New Zealand serves as a travel hub for small Pacific nations. According to data from the World Health Organisation, in 2018 there were approximately 10 million cases of measles and 140 thousand related deaths worldwide.

See the discussion page for instructions on adding schools to this list.Tuesday, September 13, 2005

NAICU has created a list of colleges and universities accepting and/or offering assistance to displace faculty members. [1]Wednesday, September 7, 2005

This list is taken from Colleges offering admission to displaced New Orleans students, and is intended to make searching easier for faculty, graduate, and professional students.

In addition to the list below, the Association of American Law Schools has compiled a list of law schools offering assistance to displaced students. [2] As conditions vary by college, interested parties should contact the Office of Admissions at the school in question for specific requirements and up-to-date details.

The Association of American Medical Colleges is coordinating alternatives for medical students and residents displaced by Hurricane Katrina. [3]

ResCross.net is acting as a central interactive hub for establishing research support in times of emergency. With so many scientists affected by Hurricane Katrina, ResCross is currently focused on providing information to identify sources of emergency support as quickly as possible. [4]

With so many scientists affected by Hurricane Katrina, ResCross is currently focused on providing information to identify sources of emergency support as quickly as possible.

Physics undergraduates, grad students, faculty and high school teachers can be matched up with housing and jobs at universities, schools and industry. [5] From the American Association of Physics Teachers, the Society of Physics Students, the American Institute of Physics and the American Physical Society.

If you are seeking or providing assistance, please use this site to find information on research support, available lab space/supplies, resources, guidelines and most importantly to communicate with fellow researchers.

The following is a partial list, sorted by location.

Alabama |Alaska |Arizona |Arkansas |California |Colorado |Connecticut |Delaware |District of Columbia |Florida |Georgia |Hawaii |Idaho |Illinois |Indiana |Iowa |Kansas |Kentucky |Louisiana |Maine |Maryland |Massachusetts |Michigan |Minnesota |Mississippi |Missouri |Montana |Nebraska |Nevada |New Hampshire |New Jersey |New Mexico |New York |North Carolina |North Dakota |Ohio |Oklahoma |Oregon |Pennsylvania |Rhode Island |South Carolina |South Dakota |Tennessee |Texas |Utah |Vermont |Virginia |Washington |West Virginia |Wisconsin |Wyoming |Canada

Wednesday, July 21, 2010

European astronomers have discovered the most massive star yet on record; it is approximately 300 times the mass of our sun, beyond the previously accepted limit of 150 solar masses.

Paul Crowther, professor of astrophysics at the University of Sheffield, led the team of researchers that discovered the star. The team used the Very Large Telescope (VLT) in Chile, and data archived from the Hubble Space Telescope. The newly discovered star, designated R136a1, was discovered in the R136 star cluster.

The researchers estimate that the current mass of the star is about 265 solar masses, and could have been about 320 solar masses just after its birth.

“Unlike humans,” says Crowther, “these stars are born heavy and lose weight as they age. Being a little over a million years old, the most extreme star R136a1 is already middle-aged, and has undergone an intense weight loss programme, shedding a fifth of its initial mass over that time, or more than 50 solar masses.”

Astronomers not involved in the discovery, while still impressed, warn of the small possibility that the team could have mistaken two relatively close stars for one large one.

“What they’re characterizing as a single massive star,” Mark Krumholz told the Associated Press, “could in fact be a binary system too close to be resolved.” Krumholz is an astronomer at the University of California.

Another astronomer, Phillip Massey from the Lowell Observatory in Arizona, also warns that this may be the case. Massey explained that the star’s weight had been inferred using scientific models that were subject to change.

The R136 star cluster, the star’s location, is in the Tarantula Nebula in the Large Magellanic Cloud, a neighboring galaxy about 165,000 light-years away. The Large Magellanic Cloud, located between the constellations Dorado and Mensa, is visible as a faint cloud in the southern hemisphere. Astronomers are still struggling to understand how these stars form.

“Either they were born so big or smaller stars merged together to produce them,” Crowther explained. The researchers believe that the stellar heavyweight record could be held by this star for quite some time. Crowther elaborates: “Owing to the rarity of these monsters, I think it is unlikely that this new record will be broken any time soon.”

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Wednesday, December 7, 2005

Australian researchers say they have scientifically proven that stress causes sickness. The Garvan Institute in Sydney has discovered that a hormone, known as neuropeptide Y (NPY) is released into the body during times of stress. Their findings show the hormone can stop the immune system from functioning properly.

“Neuropeptide Y is one of those hormones that gets unregulated or released from neurones when stressful situations occur…it’s known for example that it regulates blood pressure and heart rates so your heart rate goes up but it hasn’t been known that it actually can affect immune cells as well,” said Professor Herbert Herzog, one of the researchers.

Herzog feels it is good to finally have proof of something people have suspected for so long.

“Now we have proven without doubt that there is a direct link and that stress can weaken the immune system and that makes you more vulnerable when you for example have a cold or flu and even in the more serious situations such as cancer can be enhanced in these situations,” said Herzog.

The Garvan Institute study centres on two key events that enable the human body to recognise foreign substances and control invaders. When our body encounters a pathogen (bacteria and viruses), the immune cells retain and interrogate suspects. Their activation is made possible by NPY. These cells then return to the lymph nodes, which are found all over the body, with information about the foreign invaders. The lymph nodes are where decisions about defence are made.

“Most of us expect to come down with a cold or other illness when we are under pressure, but until now we have mostly had circumstantial evidence for a link between the brain and the immune system,” said lead Garvan researcher, associate Professor Fabienne Mackay. “During periods of stress, nerves release a lot of NPY and it gets into the bloodstream, where it directly impacts on the cells in the immune system that look out for and destroy pathogens (bacteria and viruses) in the body.”

In the case of bacteria and viruses, TH1 cells are part of the attack team that is sent out on the ‘search and destroy’ mission. But when their job is done they need to be turned ‘off’ and the immune system reset. The same hormone, NPY, that activates the sentry cells now prompts the TH1 cells to slow down and die.

“Under normal conditions, circulating immune cells produce small amounts of NPY, which enables the immune cells on sentry duty and the TH1 immune cells to operate – it’s a yin and yang kind of situation. But too much NPY means that the TH1 attack is prevented despite the foreign invaders being identified – and this is what happens during stress,” added McKay.

The impact of stress on the body has been observed in athletes. Ph. D researcher at the University of Queensland, Luke Spence, together with the Australian Institute of Sport, studied elite and recreational athletes over five months.

They found elite athletes were more susceptible to respiratory diseases under stress.

“A lot of elite athletes put themselves through vast amounts of physical stress in their training, but also their emotional, psychological stress of feeling the pressure of Australia on their shoulders, wanting to compete and wanting to do their best,” said Spence.

It’s not just athletes who are prone to stress. Pressures at work and at home may cause emotional and mental stress that can be equally damaging. Almost a third of all work absenteeism in Australia is due to illness, costing employers over $10 billion a year.

“I think it has a huge impact for the work force and also for employers – if their employees are constantly stressed, constantly under pressure, they are more likely to get sick,” Spence said.

Further research could lead to the development of new drugs which may inhibit the action of the neuropeptide Y hormone.

Herzog warns people to minimise stress before it becomes a problem.

“Relaxation methods like yoga will help you to prevent that but there will still be people out there that are not responding to that and treatment by interfering with the system will be important,” he said. “There’s obviously some time until such a treatment will be available but this is something we will definitely work towards.”

The Garvan research will be published in the Journal of Experimental Medicine, Volume 202, No. 11.