New strain of toxin-producing strep A emerges in UK A new strain of group A streptococcus, which is able to produce significantly more toxin, is spreading in England and Wales, scientists say.
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Strep A causes a range of infections, from a sore throat to scarlet fever. The new strain's emergence, reported in The Lancet Infectious Diseases, coincides with a rise in rare but potentially deadly invasive infections.
However, it does not explain the mysterious surge in scarlet fever cases during the past five years. And there is no direct evidence the new strain causes more serious infection than other strains, experts say. BBC News - Health
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- Emergence of dominant toxigenic M1T1 Streptococcus pyogenes clone during increased scarlet fever activity in England: a population-based molecular epidemiological study The Lancet Infectious Diseases
- New strain of bacteria responsible for scarlet fever reaching record high The Telegraph
- 'Toxigenic' strain of Strep A is 'behind the surge in scarlet fever cases in England since 2014' Mail Online
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