1 of 15

Understanding Vaccines

Presented by Dr Muhammad Shafiq

November 5, 2025, 8.15 AM at Department of Public Health

Vaccination Awareness

2 of 15

Smallpox Vaccine

Polio Vaccine

COVID-19 Vaccines

Edward Jenner developed the first smallpox vaccine.

Jonas Salk created the first effective polio vaccine.

mRNA COVID-19 vaccines revolutionized rapid vaccine development.

Milestones in Vaccination

2

Measles Vaccine

Measles vaccine introduced, drastically reducing infection rates.

3 of 15

Why Vaccines Matter

Understanding public health impact and the importance of herd immunity today

Vaccines play a critical role in protecting communities by promoting herd immunity, reducing disease transmission, and preventing outbreaks effectively.

3

4 of 15

Vaccine Overview

Understanding Vaccines: Importance and Function

Introduction to Vaccines and Their Importance

How Vaccines Work and Immune Response

Benefits, Safety, and Common Myths of Vaccines

Vaccines in Practice and Future Innovations

4

5 of 15

Types of Vaccines

Understanding Different Vaccine Modalities

Vaccines come in various forms, each designed to stimulate the immune system effectively. Understanding these types helps us appreciate their roles in disease prevention and public health.

5

6 of 15

Understanding mRNA and Viral Vector Vaccines

mRNA

mRNA vaccines use genetic instructions to prompt immunity.

Viral Vector

Viral vector vaccines use harmless viruses to generate immunity.

6

7 of 15

Vaccine Types Explained

Live

Live attenuated vaccines use weakened viruses or bacteria.

Inactivated

Inactivated vaccines contain killed pathogens that stimulate immunity.

7

8 of 15

8

Benefits and Safety

Understanding vaccines and their importance

9 of 15

Health Benefits

Individual Protection and Community Health

    • Protects individuals from serious illnesses
    • Contributes to herd immunity benefits
    • Reduces disease spread in communities
    • Promotes overall public health resilience

9

10 of 15

Myths and Facts

Safety

Vaccines are rigorously tested for safety before approval.

Effectiveness

Vaccines significantly reduce the risk of serious illness.

10

Side Effects

Mild reactions are common; serious side effects are rare.

Immunity

Vaccines help build immunity without causing the disease.

11 of 15

Vaccine Approval Process

Steps to Guarantee Public Safety and Efficacy

Vaccine development includes rigorous testing phases, ensuring safety and effectiveness through clinical trials. Regulatory bodies evaluate data before approving vaccines for public use, maintaining high standards.

11

12 of 15

Vaccines in Practice: Examples for Common Diseases

Measles

Measles vaccination is crucial for public health.

Influenza

Annual flu shots help prevent widespread outbreaks.

12

13 of 15

Future Vaccine Innovations and Global Efforts

Innovations

New technologies enhance vaccine development and delivery.

Accessibility

Global initiatives aim to make vaccines widely available.

13

14 of 15

14

Conclusion: Key Points

15 of 15

Stay Informed, Stay Protected

Email

info@plantmol.com

Social Media

plantmol.com

Phone

03006561997

Vaccine Awareness