Medical research

How fever in early pregnancy causes heart, facial birth defects

Researchers have known for decades that fevers in the first trimester of pregnancy increase risk for some heart defects and facial deformities such as cleft lip or palate. Exactly how this happens is unclear. Scientists have ...

Diseases, Conditions, Syndromes

'Upsurge' of scarlet fever in England, study warns

Scarlet fever, a common cause of childhood death in the 1800s and early 1900s, has seen an upsurge in England since 2011 after decades of decline, scientists said Tuesday.

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