Transmission-based Precautions I: Contact, Enteric, and Droplets
Transmission-based Precautions II: Airborne and Protective Environment
Infection
Standard Precaution
Steps in Outbreak Investigation
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Oct 17, 2025

Preparation of Herbal Medicine: Er-Xian Decoction and Er-Xian-containing Serum for In Vivo and In Vitro Experiments
Published on: May 31, 2017
Maria D Van Kerkhove1, Michael J Ryan2, Tedros Adhanom Ghebreyesus3
1Maria D. Van Kerkhove is the COVID-19 technical lead and head of Emerging Diseases and Zoonoses in the Health Emergencies Programme at the World Health Organization, Geneva, Switzerland.
Emerging infectious diseases pose significant global health and economic risks. Increased urbanization and climate change heighten the threat of future pandemics, necessitating enhanced preparedness for the next "Disease X".
Area of Science:
Background:
Discussion:
Key Insights:
Outlook: