The impact of COVID-19 vaccines on the pandemic will depend upon several factors. These include factors like the effectiveness of the vaccines; how quickly they're approved, manufactured, and delivered; and the way many of us get vaccinated.
Most scientists anticipate that, like most other vaccines, COVID-19 vaccines won't be 100% effective. WHO is functioning to assist make sure that any approved vaccines are as effective as possible, in order that they can have the best impact on the pandemic. Nevertheless, critical lessons are often learned for the event of vaccines against rapidly emerging viruses. Importantly, SARS-CoV-2 vaccines are going to be essential to reducing morbidity and mortality if the virus establishes itself within the population