American authorities announced two cases of avian flu in humans in California on October 3. One of the patients, a dairy farm worker in contact with infected cattle, suffered from conjunctivitis and was treated with antivirals at home. The second case has not yet been identified.
Since March, fourteen human cases of avian flu have been recorded in the United States, mainly linked to outbreaks on poultry and dairy cattle farms. These are the first cases in California, with precedents in Texas, Colorado, Michigan and Missouri.
The CDC said the risk to the general public remains low, but people in contact with infected animals are at greater risk.
Fourteen American states recently experienced an avian flu epidemic, reminiscent of the 2015 epizootic which affected 211 farms in 15 states, leading to the destruction of nearly 50 million birds and losses estimated at $3.3 billion.
Pascal Lemontel
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