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Pfizer starts pilot program for Covid-19 vaccine delivery in four US states

Pfizer starts pilot program for Covid-19 vaccine delivery in four US states

Pfizer launched a trial delivery program for its coronavirus vaccine in four US states – New Mexico, Rhode Island, Tennessee and Texas. A recent human trial of the company’s vaccine showed it to be over 90% effective. However, there are significant logistical challenges for the vaccine as it must be shipped and stored at minus 94°F, which is much lower than needed for a normal vaccine.

John W
John W 2 months

Both vaccines are a new style of vaccine. Long term effects are unknown. mRNA vaccine. They’re a whole new type of vaccine If an mRNA vaccine was approved for coronavirus, it would be the first of its type. ‘It's a very unique way of making a vaccine and, so far, no (such) vaccine has been licenced for infectious disease,’ said Prof. Bekeredjian-Ding. Vaccines work by training the body to recognise and respond to the proteins produced by disease-causing organisms, such as a virus or bacteria. Traditional vaccines are made up of small or inactivated doses of the whole disease-causing organism, or the proteins that it produces, which are introduced into the body to provoke the immune system into mounting a response. mRNA vaccines, in contrast, trick the body into producing some of the viral proteins itself. They work by using mRNA, or messenger RNA, which is the molecule that essentially puts DNA instructions into action. Inside a cell, mRNA is used as a template to build a protein. ‘An mRNA is basically like a pre-form of a protein and its (sequence encodes) what the protein is basically made of later on,’ said Prof. Bekeredjian-Ding. To produce an mRNA vaccine, scientists produce a synthetic version of the mRNA that a virus uses to build its infectious proteins. This mRNA is delivered into the human body, whose cells read it as instructions to build that viral protein, and therefore create some of the virus’s molecules themselves. These proteins are solitary, so they do not assemble to form a virus. The immune system then detects these viral proteins and starts to produce a defensive response to them.

Donald 2 months

K!ll Me First before I take that Tripe

Jack 2 months

Y’all keep it all for yourselves. No way thats going in my body lol. I’ll fight it with everything I got

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