All Pooja Swali articles
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NewsAncient remains reveal how a pathogen began to use lice – not ticks – to infect humans
Researchers have analysed ancient DNA from Borrelia recurrentis, a type of bacteria that causes relapsing fever, pinpointing when it evolved to spread through lice rather than ticks, and how it gained and lost genes in the process.
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News4,000-year-old plague DNA found – the oldest cases to date in Britain
Researchers have identified three 4,000-year-old British cases of Yersinia pestis, the bacteria causing the plague – the oldest evidence of the plague in Britain to date.