As Andhra Pradesh is inching towards registering 4 lakh coronavirus cases, the state has begun serosurveillance in a few districts. A two-week survey was held earlier in Krishna, East Godavari,
As Andhra Pradesh is inching towards registering 4 lakh coronavirus cases, the state has begun serosurveillance in a few districts. A two-week survey was held earlier in Krishna, East Godavari,






