article_snippet: to February data from the World Health Organization (WHO).
article_snippet: Flu experts not directly involved in the research said Flu experts not directly involved in the research .
article_snippet: and spreads,' said Wendy Barclay, an expert in flu virology at .
article_snippet: ,' she told Reuters Health.
article_snippet: In its latest update on the flu strain, the Geneva-based WHO . said the Geneva-based WHO 'continues to closely monitor the H7N9 situation' and . conduct risk assessments. '
article_snippet: not changed,' the Geneva-based WHO said.