DavidB4-bot
→Sources: clean up & uniformity
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Barikada
Wikilinking mutation
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Jallen
no edit summary
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Brian
Added source information for text
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SharonS
New page: '''Drift''' is a process in which influenza virus undergoes mutation. The amount of change can be subtle or dramatic, but eventually as drift occurs, a new variant strain will become domin...
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