M

Mabbett, Terry

Machupo virus

Mad cow disease

Bovine spongiform encephalopathy (BSE)

Mailman School of Public Health (Columbia University)

Maine

Major Walter V. Brem

Malaria

Malaysia

Manure

Marek’s disease

Martial law

Maryland

Masks

Mass graves

Massachusetts

Massachusetts Institute of Technology

Mastitis

Matrosovich, Mikhail N.

Mayo Clinic

McDonald’s

Measles

Meat and bone meal

Medawar, Peter

Médecins Sans Frontières (Doctors Without Borders)

Medical College of Wisconsin

Medical staff shortage

Megacities

Mercatus Center (George Mason University)

Metritis

Mexico

Mice

Michigan State University

Microsoft

Middle Ages

Migratory birds

Milk

Milk replacer

Minnesota

Mississippi State University

Monkeypox

Monoculture

Morens, David

Mount Sinai

Mumps

Murphy, Frederick

Mutant swarm

Mutilations