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#1. A virus ? What is a virus?
A virus is a very small (submicroscopic) strand of either RNA or DNA covered by a protein coat. A virus cannot replicate standalone and must infect cells of a host to make copies. This process may or may not damage the host. There isn’t yet a clear understanding of how viruses came to exist.
#2. What technology are both the Pfizer and Moderna COVID-19 vaccinations based on? ? What technology was critical to the earliest COVID-19 vaccines?
Messenger RNA (or mRNA) is the molecule that triggers DNA to activation. This can be used to trigger an immune response to a virus without any exposure to the virus.
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/different-vaccines/mrna.html
#3. The virus associated with COVID-19 is called a coronavirus because ? Why coronavirus?
Coronaviruses derive their name from the fact that under electron microscopic examination, each virion is surrounded by a “corona,” or halo.
https://www.hopkinsmedicine.org/health/conditions-and-diseases/coronavirus
#4. COVID-19 was first reported in Wuhan China. Wuhan is ? What about Wuhan?
Wuhan is a sprawling industrial city that is bisected by the Yangtze river. It is also the scientific and technical hub of central China. It is among the 50 most populated cities in the world.
#5. Another coronavirus is ? Coronvirus?
Human coronaviruses were identified in the 1960s. The other two most well known coronaviruses are MERS (Middle East Respiratory Syndrome and SARS (severe acute respiratory syndrome).
https://www.medicalnewstoday.com/articles/types-of-coronavirus#types
#6. A pandemic ? What constitutes a pandemic?
A pandemic is an event in which a disease spreads across several countries and affects a large number of people. Epidemic refers to an increase, often sudden, in the number of cases of a disease above what is normally expected in that population in that area.
#7. COVID-19 transmission ? How does COVID-19 pass from person to person?
COVID-19 is primarily transmitted from person-to-person through respiratory droplets.
https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/how-covid-spreads.html
#8. The delta variant ? What is the delta variant?
The delta variant is a highly contagious SARS-CoV-2 virus strain, which was first identified in India in late 2020. It swept rapidly through that country and Great Britain before reaching the U.S., where it is now the predominant variant.
https://www.cdc.gov/coronavirus/2019-ncov/variants/delta-variant.html
#9. Breakthrough cases ? What is the breakthrough cases?
When people get infected after vaccination, scientists call these cases “breakthrough” infections because the virus broke through the protective barrier the vaccine provides.
What have you learned about yourself during the pandemic?
