system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Electron microscopy is helpful in diagnosis of -a) Rotavirusb) RSVc) Herpesvirusd) Prion
assistant
The correct answer is  Rotavirus culture is difficult
So, electron microscopy is useful in diagnosis of Rotavirus infection
They characteristically appear as little wheels with short spokes radiating from a wide hub to a clearly defined outer rim.
The name Rota is derived from Latin word ‘rota’ means wheel.