In late May, the FDA announced approval of Moderna's mResvia, marking the third vaccine approved for respiratory syncytial virus and first time messenger RNA technology has been used for preventing a disease other than COVID-19.
A new shortage of a type of penicillin crucial to the fight against syphilis is alarming infectious disease experts, who warn that a protracted scarcity of the drug could worsen the U.S. epidemic of the sexually transmitted infection. The shortage, announced by the drugmaker Pfizer in a letter last month, involves Bicillin L-A, a long-acting injectable antibiotic also known as penicillin G benzathine. The company cited significant increases in demand because of the rising rate of syphilis infect
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