As COVID-19 shows no signs of diminishing naturally, the world is waiting impatiently for the vaccine, a vital tool, and the only hope to help stop the pandemic. While wearing masks and social distancing helps reduce the human to human transmission of the virus, these measures alone are not enough to control the pandemic. A vaccine has more potential to prevent people from getting infected at large. Once available, the authorized or approved vaccines are likely to develop immunity against the highly contagious coronavirus, which has already cost 1.5 million lives globally.
As the world is at war with COVID-19, the experts have been busy in clinical trials of several vaccines to make them available as soon as possible. The good news is that the Food and Drug Administration (FDA) has finally issued emergency authorization for the first COVID-19 vaccine made by Pfizer and German biotech firm BioNTech to be given to people ages 16 and older. The vaccine will be deployed over the next few days in the U.S. These vaccines employ a new technology, known as mRNA, which introduces a genetic code the body can use to make its own viral protein to trigger an immune response.
Based on what we know about vaccines for other diseases, we can assume that the COVID-19 vaccine can have the following benefits: