Answer:
Vaccines have been around since 1796 preventing people from diseases and decreasing death rates. I believe due to the modern vaccines and medicine people have been living longer than life expectancies in the 1700's and 1800’s, which was between 30 and 40 years. Vaccines train the human body to recognize viruses or bacteria and the antigens (molecule capable of inducing an immune response) will start attacking the virus or bacteria before it tries to spread and cause sickness once it is has recognized it. However, vaccines are not always 100% safe because they can come with side effects. For example, the Hepatitis B vaccine had a severe allergic reaction, called anaphylaxis which caused difficulty breathing, dizziness, and skin rashes for a few people.
2.2 pounds = 1kg. he would need 2.2 doses, rounded would be 2.
I believe it is the 3rd option
Answer:
Moral hazard.
Explanation:
Moral hazard is the concept of somebody changing their actions to the detriment of another after a financial transaction, getting health insurance in this case, has taken place. Meaning acting differently than normal in a situation in which one party gets involved in a risky event knowing that it is protected against the risk and the other party will incur the cost, as opposed to taking less risks if they know they are not protected, leading to that person doing what benefits them the most instead of doing what is right.