True. In 1911, Peyton Rous demonstrated that a cell-free filtrate from a chicken sarcoma could transmit cancer to healthy chickens. This proved that an infectious agent (later identified as the Rous Sarcoma Virus, a retrovirus) could cause cancer, providing crucial scientific backing for the idea that some cancers might have a viral origin.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Naomi Miselo – 31 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies