Answer:
Vaccines available to prevent communicable diseases and illnesses
Chickenpox (Varicella)
Diphtheria.
Flu (Influenza)
Hepatitis A.
Hepatitis B.
Hib.
HPV (Human Papillomavirus)
Measles.
Explanation:
Explanation:
Subcutaneous means under the skin. In this type of injection, a short needle is used to inject a drug into the tissue layer between the skin and the muscle.
Portal of entry: there are three ways a pathogen can be transmitted, penetration, inhalation, or ingestion.
Given the attitude of the grandfather portrayed in the problem, the most likely answer is
B) Go to the doctor regularly because he can monitor his health before problems get severe.
This would be because you are reminded, "prevention is the best medicine", and the answer B provides the precaution that is recommended.