Bacterial “freight elevator” unpacked: How pathogens hide from the immune system

Some bacterial membrane transporters work almost like freight elevators to transport substances through the cell membrane into the interior of the cell. The transporter itself spans the bacterial membrane.

Pfizer’s make-or-break quarter

Tues­day could be the most im­por­tant quar­ter­ly re­port of Pfiz­er CEO Al­bert Bourla’s ca­reer. When the drug­mak­er re­leas­es third-quar­ter re­sults around 7 a.m., the world

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