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  Reuters -   Pfizer Inc with its partner BioNTech SE and Moderna Inc have released test data showing its  Covid-19 vaccines are 95% effective at preventing the disease  , while AstraZeneca Plc announced this week that its vaccine could be up to 90%. If regulators approve any of the vaccines in the next few weeks, the companies have said  distribution could begin almost immediately  , with governments around the world deciding who gets it and in what order.  The following is a summary of the process: WHEN WILL COMPANIES RELEASE A VACCINE? Pfizer, Moderna and AstraZeneca have already started manufacturing their vaccines.  Pfizer said this year it will have enough to inoculate 25 million people;  Moderna will have doses for 10 million people  and AstraZeneca for more than 100 million. The US Department of Defense and the Centers for Disease Control and Prevention ( CDC ) will manage the distribution in that country, probably starting in m...

Covid-19 Vaccine: Why We Know Rumors of Grafted Chips, DNA Alteration, and Serious Side Effects Are False The wave of rumors on social networks was to be expected. The news that a vaccine for the covid-19  BNT162 made by Pfizer and BioNTech  showed more than 90% of efficacy caused a chain of false information on social networks. Part of the rumors focused on the fact that the vaccine has as one of its differentials being  based on RNA  .  But others also resurfaced. The BBC Reality Check fact-checking team has examined some of the most widely shared false claims: alleged plans to microchip people through injection, the alleged change in our genetic code, and the overall safety of vaccines .

COVID-19 vaccine As the spread of the new coronavirus progresses, there are many people around the world who are anxiously waiting for the vaccine to be able to stop it. What would the COVID-19 vaccine do? When you come in contact with a bacteria or virus, your body's immune system produces antibodies to fight it.  A vaccine forces your immune system to create antibodies against a particular disease, usually with an inert or weakened version of the germs. Later, if you come into contact with them again, your immune system knows what to do.  The vaccine gives you immunity so you don't get sick or the illness is milder than it could be.  A vaccine against COVID-19 would slow its spread around the world.  Fewer people would get sick and more lives could be saved. How are vaccines developed? How long would it take to develop a vaccine?  According to the World Health Organization, there are more than 100 potential vaccines in various stages of development in various...