Emerging Diseases and Unsafe Medical Practices in Public Health

Public health systems worldwide face challenges from emerging diseases and unsafe medical practices. New infectious diseases continue to appear, while unsafe medical procedures contribute to increased morbidity and mortality. These issues affect both developed and developing countries.

Emerging Infectious Diseases

Emerging diseases include zoonotic infections, viral outbreaks, and antimicrobial-resistant strains. Examples are Nipah virus, Ebola, and drug-resistant tuberculosis. Factors such as urbanisation, deforestation, and global travel accelerate disease emergence. Surveillance systems like WHO’s Global Outbreak Alert and Response Network (GOARN) monitor these threats.

Unsafe Medical Practices

Unsafe practices include the reuse of needles, improper sterilisation, and unregulated drug use. These cause healthcare-associated infections (HAIs) and spread blood-borne pathogens like HIV and hepatitis B and C. The WHO estimates millions of infections annually result from unsafe injections worldwide.

Impact on Healthcare Systems

Emerging diseases strain healthcare infrastructure, requiring rapid diagnosis and containment. Unsafe medical practices increase hospital stays and treatment costs. Both factors contribute to higher mortality rates and reduced public trust in health services.

Preventive Measures and Policies

Measures include strengthening infection control protocols, improving healthcare worker training, and expanding vaccination coverage. International cooperation focuses on early detection and response. Policies promote safe injection practices and regulation of medical devices.

What to Study for UPSC Exams?

• Global Disease Surveillance Mechanisms
• Antimicrobial Resistance Challenges
• Healthcare-Associated Infection Control
• One Health Approach in Disease Prevention

Global Disease Surveillance Mechanisms

Global disease surveillance includes systems like WHO’s GOARN and CDC’s Epidemic Intelligence Service. These networks integrate data from multiple countries to detect outbreaks early. Digital tools and AI increasingly enhance real-time monitoring and prediction of disease spread.

Antimicrobial Resistance Challenges

Antimicrobial resistance (AMR) arises from genetic mutations and horizontal gene transfer among microbes. It reduces effectiveness of antibiotics, antivirals, and antifungals. AMR causes an estimated 700,000 deaths annually, projected to rise dramatically without intervention.

Healthcare-Associated Infection Control

Healthcare-associated infections (HAIs) occur in hospitals due to pathogens like MRSA and C. difficile. Key control measures include hand hygiene, sterilization protocols, and antimicrobial stewardship. HAIs prolong hospital stays and increase mortality worldwide.

One Health Approach in Disease Prevention

The One Health approach links human, animal, and environmental health to prevent zoonotic diseases. It promotes cross-sector collaboration to address threats like avian influenza and rabies. This integrative strategy aids in early detection and control of emerging infections.