France Covid-19 Vaccine certificate .Spanish flu: also known as the 1918 influenza pandemic, this was the most severe pandemic in recent history according to the Centers for Disease Control and Prevention (CDC), with an estimated 500 million infections and 50 million deaths worldwide. It was caused by an H1N1 virus with genes of an avian origin.
Super-spreader: a highly contagious individual who can spread an infectious disease to a large number of uninfected people through a network of contacts.
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Symptomatic: showing symptoms of COVID-19, which can include a fever, dry cough, shortness of breath and body aches. Health officials believe the risk of transmitting the virus is highest when an individual is symptomatic.
Vaccine: a biological preparation of organisms that provides immunity to a particular infectious disease. Currently, there is no vaccine for COVID-19.
Ventilator: a machine designed to move air in and out of the lungs for a patient who is physically unable to breathe or who is not breathing well. Because COVID-19 can cause severe lower respiratory infection, ventilators are a critical machine for patients with severe disease.
A family of viruses, seven of which are known to infect people. They get their name from the crown-like spikes—coronas—that appear on the viruses under a microscope. Coronaviruses can cause the common cold (which can also be caused by other viruses, such as rhinoviruses), as well as dangerous illnesses such as severe acute respiratory syndrome (SARS) and Middle East respiratory syndrome (MERS). SARS CoV-2, the coronavirus virus first discovered in December 2019, causes the disease now known as COVID-19.
SARS (Severe acute respiratory syndrome)
A coronavirus, which first infected humans in 2002, that reached epidemic proportions before it was contained—there have been no outbreaks since 2003. SARS causes fever, headache, body aches, a dry cough, hypoxia (oxygen deficiency), and usually pneumonia. SARS and SARS CoV-2 are related genetically, but the diseases they cause are different.
SARS-CoV-2 (Severe acute respiratory syndrome coronavirus 2)
The new coronavirus that causes COVID-19, which is believed to have started in animals and spread to humans. Animal-to-person spread was suspected after the initial outbreak in December among people who had a link to a large seafood and live animal market in Wuhan, China. While no one knows for sure how SARS-CoV-2 spread from an animal (and what type of animal) to a human, SARS-CoV-2 is a betacoronavirus, which means it originated in bats. France Covid-19 Vaccine certificate