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 polyethylene glycol is a polyether compound derived from petroleum with many applications, from industrial manufacturing to medicine. PEG is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight. The structure of PEG is commonly expressed as H−(O−CH2−CH2)n−OH.   PEGs are also used in everyday products such as toothpaste and shampoo as thickeners, solvents, softeners, and moisture carriers, and they’ve been used as a laxative for decades. An increasing number of biopharmaceuticals include PEGylated compounds as well vaccine, COVID-19, allergic reaction The American College of Allergy, Asthma and Immunology (ACAAI) has updated their guidelines regarding the risk of allergic reactions following administration of the COVID-19 vaccine now include information on screenings, observation periods, and the option of forgoing the second dose following a documented allergic reaction from the first dose. The ACAAI’s COVID-19 Vaccine Task...

First generation spread is within direct contact of wildlife animals and human in Wuhan Huanan seafood wholesale market. Second generaton is within the hospital and home of those infected. Now is third generation, the spread is outside these areas, within the community daily updates of cases, mainly China  global cases map from Hopkins U the counter measures to stop the spread outside China: block inflow and outflow of people in Wuhan >> now more 30 million people living in and near Wuhan, has been quarantined. 截至24/1/2020 中午，湖北省有13個城市「封城」停運交通，包括：武漢市、鄂州市、仙桃市、枝江市、潛江市、黃岡市、赤壁市、荊門市、咸寧市、黃石市、當陽市、恩施市、孝感市。 border checkpoint screening, and health history questionnaire transportation hub checkpoint screening mandatory quarantine of group under surveillance Increase the number of hospital beds for the infected person. a new 1000 bed hospital is underway in 蔡甸知音湖, within 6 days higher travel alerts to Hubei province has been announced from US, Australia, Taiwan and ...