IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

THE GOOD BAD AND UGLY OF THE IMMUNE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scientists are testing the effectiveness of 3 different viral medicines (or vaccines) in protecting against the common cold. They sign up 1, 200 human volunteers and split them into three groups. So each group of 400 people is given one of the vaccines. The groups are studied for five years and the scientists record how many colds they get each year. What is the dependent variable in this investigation?
A
different viral medications
B
the type of common cold virus
C
the number of years
D
the number of colds each year
Explanation: 

Detailed explanation-1: -Although there are no immunizations that prevent the common cold, vaccines protect against symptoms shared with other respiratory illnesses. Examples include the COVID-19, influenza, pneumococcal, and tetanus, diphtheria, and pertussis (Tdap) vaccines.

Detailed explanation-2: -Viral vector vaccines Some of the viruses used as vectors include adenovirus, influenza, measles virus and vesicular stomatitis virus (VSV). Recent uses of viral vector technology have been in Ebola virus and COVID-19, and studies into its use for Zika, flu and HIV are ongoing.

Detailed explanation-3: -Polio. Tetanus. Flu (Influenza) Hepatitis B. Hepatitis A. Rubella. Hib. Measles. More items •15-Sept-2022

There is 1 question to complete.