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Current Affairs

Infection levels vary with age

Date: 03 June 2021 Tags: Reports & Indices


A new research has found that the viral load of patients infected with Covid-19 can be used to estimate levels of infectiousness.



The study made use of PCR samples collected from patients infected with the disease. It has been able to determine disease severity.



  • The researchers tried to identify differences in collected data that includes disease severity, age group and virus variants etc.

  • The collected data was analysed to identify the links between different types of tests and their effects on disease severity.

  • The SARS CoV-2 viral load of positive patients between the age group of 20 and 65 did not vary much. There was an average of 2.5 million copies of virus genome.

  • Young children within the age group of 0 to 5 years were found to contain the lowest viral load among all analysed positive patients. Adolescents and older children had viral loads much similar to adults.

  • The levels of infectivity in the age group of 0 to 5 years were to be only 80 percent of the infectivity found in adults.