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VOA

US scientists hunt for answers as bird flu outbreak spreads among cows

VOA
Summary
Nutrition label

77% Informative

The National Animal Disease Center in Ames , Iowa , is testing a cow vaccine designed to stop the spread of H5N1.

The center is located on a pastoral, 523-acre ( 212 -hectare) site a couple of miles east of Ames ' low-slung downtown.

Researchers there developed vaccines against various diseases that endanger pigs and cattle.

A study conducted by the Iowa center and several universities concluded that the virus was likely circulating for months before it was officially reported in Texas in March .

The study also noted a new and rare combination of genes in the bird flu virus that spilled over into the cows.

Researchers are sorting out whether that enabled it to spread to cows, or among cows.

VR Score

88

Informative language

94

Neutral language

63

Article tone

semi-formal

Language

English

Language complexity

49

Offensive language

not offensive

Hate speech

possibly hateful

Attention-grabbing headline

not detected

Known propaganda techniques

not detected

Time-value

medium-lived

External references

no external sources

Source diversity

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