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Highly pathogenic H5N1 avian influenza in a human appears to be far worse, killing over 50% of humans reported infected with the virus, although it is unknown how many cases (with milder symptoms) go unreported. In one case, a boy with H5N1 experienced diarrhea followed rapidly by a coma without developing respiratory or flu-like symptoms. [41]
A cluster of five human infections of H5N1 occurred in Cambodia in late January and early February; one patient died. All patients had recent contact with sick poultry. Genetic sequencing revealed that they were infected by clade 2.3.2.1c, a different lineage from the 2.3.4.4b clade that is causing global outbreaks. [50]
"The precursor of the H5N1 influenza virus that spread to humans in 1997 was first detected in Guangdong, China, in 1996, when it caused a moderate number of deaths in geese and attracted very little attention." [9] In 1997, in Hong Kong, 18 humans were infected and 6 died in the first known case of H5N1 infecting humans. [10]
Bird flu is a scary illness with a high mortality rate. But so far, infections in the U.S. have been relatively mild—until now. A patient in Louisiana has been hospitalized with a severe case of ...
Since this strain of the bird flu virus, called H5N1, was first identified in 1997, there have been just over 900 cases documented globally in humans. More than 50% of those patients died ...
(Reuters) -The U.S. Centers for Disease Control and Prevention on Friday confirmed the country's first case of H5N1 bird flu infection in a child, who experienced mild symptoms and is recovering ...
In the event of an outbreak of human H5N1, the main antiviral drugs recommended are neuraminidase inhibitors, such as zanamivir (Relenza) and oseltamivir (Tamiflu). These drugs can reduce the severity of symptoms if taken soon after infection and can also be taken as prophylaxis to decrease the risk of infection. [55] [56] [57] [58]
The Texas Department of State Health Services reported the first case of the bird flu (H5N1) in a human on April 1. The person was reported to have contact with dairy cows that were infected with ...