For anyone who has been infected with COVID-19, their next dose can be delayed 3 months from when symptoms started or, if they did not have symptoms, when they received a positive test. This possible delay can happen with a primary dose or a booster dose.
Vaccines work by ‘teaching’ our immune system to rapidly identify an infectious agent and to effectively respond against it.
Traditionally, vaccines have done this by introducing a weakened form of an infectious agent that allows our immune system to build a memory of it. This way, our immune system can quickly recognize and fight it before it makes us ill.
Even though COVID-19 vaccines are being developed as rapidly as possible, they must go through rigorous testing in clinical trials to prove that they meet internationally agreed benchmarks for safety and effectiveness.
Thanks to the unprecedented investment in research and development and global cooperation, scientists were able to develop safe and effective vaccines against COVID-19 in record time.
All the standard safety procedures and rigorous regulatory standards were maintained.
In addition to the COVID-19 vaccines currently in use in many countries around the world, it is hugely encouraging to see there are more than 200 vaccine candidates in different stages of development.
A number of these are in Phase III clinical trials – the final step before a vaccine is approved.
Reiteration:
From the reasons above, the vaccine in fact supported scientifically and clinically that improve our immune to help protect us to the infection, thus it can control the transmission.
Teman-teman, itulah contoh analytical exposition text mengenai COVID-19.
Baca Juga: 5 Contoh Analytical Exposition Text Singkat Beserta Strukturnya