This fragment trains the immune system to recognize and attack the virus. Both of these vaccines are mRNA vaccines, using a synthetic fragment of genetic material from the virus. For both, you are considered fully vaccinated within two weeks after your second shot. The Pfizer vaccine is administered with two doses given three weeks apart, while eh Moderna includes two doses at four weeks apart. Two, the Pfizer and the Moderna, require two doses. There are a few differences between the three major vaccines available. The vaccines offer considerable levels of protection with minimal side effects. ![]() ![]() Individuals who took the vaccines were significantly less likely to become infected, require hospitalization, develop severe symptoms, and, most importantly, to die from COVID-19. Other countries have additional versions of the vaccine in addition to these three options.Īll three vaccines have been tested in clinical trials with thousands of adults and adolescents (as of writing this article, the vaccines have still not been approved for individuals younger than 12 years old in the United States). Of these, only the Pfizer vaccine has received FDA approval as of August 2021. The FDA has given three COVID-19 vaccines authorization for emergency use, including the Pfizer-BioNTech vaccine, the Moderna vaccine, and the Johnson & Johnson (Janssen) vaccine. There are multiple variants that have emerged, with some, like the delta variant, believed to spread more easily than the original.īecause of this, most governments and public health officials are urgently recommending anybody who is eligible to receive the COVID-19 vaccine to help slow and stop the spread of COVID-19 in its tracks. Unfortunately, people who are asymptomatic or suffering from only minor symptoms can still transmit the virus to others. It can also cause potentially life-threatening symptoms like chest pain or pressure, confusion, an inability to stay awake, and pale, discolored skin. More severe symptoms include fever, difficulty breathing, headaches and body aches, chills, fatigue, diarrhea, vomiting, and nasal congestion. Others might develop symptoms like a cough, runny nose, or loss of smell and taste. The vast majority of the population, particularly those who are young and do not have any preexisting conditions, will be asymptomatic. These symptoms of COVID-19 vary widely among people who are infected. Very rarely, it can also be spread by touching surfaces that are contaminated with respiratory droplets. As a result, the disease is more often spread in places that have poor ventilation and are fully enclosed, and less commonly spread in outdoor settings. ![]() It occurs because aerosols are easily released when people breathe or talk. That said, the virus is also believed to spread via airborne transmission among those who are more than six feet apart. Transmitted through respiratory droplets like a sneeze or cough, just like most other coronaviruses, the disease is most readily spread when people are in close contact of around six to eight feet or less. It is the result of the virus SARS-CoV-2, a novel coronavirus first discovered in Wuhan, China at the end of 2019. A vital public health issue, COVID-19 is the name of the disease that ravaged the globe in late 2019 and all of 2020.
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