FIRST, read the article COVID-19: Who Is Most at Risk? by Andrew Hitchings: COVI

FIRST, read the article COVID-19: Who Is Most at Risk? by Andrew Hitchings:
COVID-19: Who Is Most at Risk?
SECOND, you are required to answer the following THREE questions in a Group Discussion #3 post. Each answer MUST be at least 5 “COMPLETE” and “INFORMATIVE” sentences in order to receive FULL CREDIT for this assignment. Please NUMBER your answers in your post.
1.) According to the article, what factors of COVD-19 could predict whether or not a patient would go to the hospital or experience critical illness? How does SAR-COV-2 invade cells? (Your answer MUST be at least 5 complete and informative sentences.)
2.) According to the article, what is important about Bacillus Calamette Guerin? How does it effect case fatality rates? (Your answer MUST be at least 5 complete and informative sentences.)
3.) According to the article, what causes variations between countries? Do differences in CFR reflect real differences in lethality? (Your answer MUST be at least 5 complete and informative sentences.)
THIRD, after you have posted all your answers, please read your fellow student’s posts and COMMENT on at least TWO of them. Your “INFORMATIVE” comments MUST be at least 3 “COMPLETE” sentences EACH in order to receive FULL CREDIT for this assignment.
* An “INFORMATIVE” and “COMPLETE” sentence or comment is one that contains an explanation of the information from the article (no outside sources) and is in your own words (no quotes).