Thimerosal, or sodium ethylmercurithiosalicylate, is a preservative used in low concentrations mainly in vaccines, cosmetics, ophthalmic and otolaryngolic medications, antitoxins, topical and ...

Anyone with a history of immediate allergic reaction of any severity to any component of mRNA COVID-19 vaccines or to polysorbate should not be vaccinated, the CDC said in updated interim guidance.

To manufacture medicines, chemists must find the right combinations of chemicals to make the necessary chemical structures. This is more complicated than it sounds, as typical chemical reactions ...

Optimizing chemical reactions and finding the best ways to scale them up to produce compounds for clinical testing and drug commercialization can be tedious, time-consuming, and expensive. To overcome ...

In proteins, amino acids are held together by amide bonds. These bonds are long-lived and are robust against changes in temperature, acidity or alkalinity. Certain medicines make use of reactions ...

Adverse reactions to vaccines can be local or systemic and can be immediate or delayed in onset. Contact hypersensitivity reactions to vaccine constituents in susceptible individuals can be identified ...