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penicillin rash

RASH CALL Red bumps in childhood can be mistakenly identified as a penicillin allergy. In later years, clinicians don’t verify the diagnosis, with potential consequences for both the individual and society.

graph of zika infections and microcephaly cases

TIME LAG Zika infections among pregnant women (solid line and scale on left) in Colombia spiked in January (around week 4). About six months later, the country saw a drastic increase in the number of infants and fetuses with microcephaly (dotted line and scale on right).  

Anastasis

NOT DEAD YET  Cells on the brink of dying from a type of programmed suicide known as apoptosis (left, a cancer cell known as a HeLa cell) can come back to life through a process called anastasis (right) if conditions improve. DNA is shown in blue. 

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