List the importance of vaccines to mankind?

Vaccines are very important as they help to activ!te the immune system of a human being against a particular pathogen and thus decreasing the risk of the disease

his week a heat wave will be hitting, and most of the country will be experiencing temperatures above average for july. due to humidity, the temperature outside can feel even warmer than it actually is. this adjusted temperature, often referred to as the “feels like” temperature is called the heat index. the chart shows the heat index, which is calculated based on temperature and relative humidity. use this chart to answer the following questions.