Blood is thicker than

A) Air

B) Water

C) Gas

D) None of these

How many stages of COVID-19 discovered until now?

A) 3

B) 4

C) 5

D) 6

There are Four Stages of COVID-19.

Stage 1: Viral Entry and Replication (Asymptomatic)

Stage 2: Viral Dissemination (Mild or Moderate)

Stage 3: Multi-system Inflammation (Severe)

Stage 4: Endothelial Damage, Thrombosis, and Multi-organ Dysfunction (Critical)