关于H1N1的英语文章

关于H1N1的英语文章

The new strain of Influenza A/H1N1 continued to spread around the world on Sunday as the disease has been confirmed in more than 4,150 people in 29 countries.

Canada and Costa Rica confirmed their first fatality case on Saturday, bringing to four the number of countries which have reported confirmed human death cases.

In Costa Rica, a 53-year-old man became the first fatal victim of the A/H1N1 flu. In the Canadian province of Alberta, local health authorities said the A/H1N1 strain caused the death of a woman in her 30s who died late April.

But health officials noted that both victims and the two deaths in the U.S. were suffering from other health problems when they were infected with the disease.

In Tokyo, a high school teacher and two teenage students tested positive for the disease at the airport after returning from a school trip to Canada.

Japanese health authorities have been tracking passengers who arrived on the same plane while Health and Welfare Minister Yoichi Masuzoe acknowledged it would be difficult to trace all those who came into contact with the three infected.

Australia's Queensland health authorities said Saturday that an Australian woman arriving in Brisbane from Los Angeles tested "weak positive" for the H1N1 virus, becoming the country's first case.

Federal Health Minister Nicola Roxon said the woman first noticed her symptoms while traveling in the U.S., but she had already recovered.

Also on Saturday, New Zealand, the first country in the Asia-Pacific region to confirm A/H1N1 flu cases, reported two more on Saturday for a total of seven.

U.S. Health officials warned that the virus has moved into the southern hemisphere, where influenza season is just beginning, and could mix with circulating seasonal flu viruses or the H5N1 avian influenza virus to create new strains.

Influenza A virus subtype H1N1, also known as A(H1N1), is a subtype of influenzavirus A and the most common cause of influenza (flu) in humans. Some strains of H1N1 are endemic in humans and cause a small fraction of all influenza-like illness and a large fraction of all seasonal influenza. H1N1 strains caused roughly half of all human flu infections in 2006.[1] Other strains of H1N1 are endemic in pigs (swine influenza) and in birds (avian influenza). In June 2009, WHO declared that flu due to a new strain of swine-origin H1N1 was responsible for the 2009 flu pandemic. This strain is commonly called "swine flu". People with the influenza are advised to get plenty of rest, drink plenty of liquids, avoid using alcohol and tobacco and, if necessary, take medications such as paracetamol (acetaminophen) to relieve the fever and muscle aches associated with the flu. .