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Current Affairs

Second wave of Covid-19

Date: 27 April 2021 Tags: Miscellaneous

Issue

The second wave of Covid-19 has been more intense and devastating than the first wave just like the 1918-20 Spanish flu.

 

Background

The first wave has always been threatening but the impact of second wave is underestimated.

 

Details

  • Most of the cases under the second wave are spread by individuals who are asymptomatic and do not know they carry the virus.

  • While it may not affect them, some of the people being affected by them show intense and critical symptoms.

  • Asymptomatic people do not take precautions like isolating themselves or wearing masks, making them a most threatening among all.

  • There is also the increased presence of more infectious patients in the second wave which is more likely to cause faster infections.

  • The UK variant has shown a 50% higher transmission in population. The B1.671 variant of India has also more infection rate.

  • There is also no focus on creating containment zones this time. Without the micro-containment zones, containing the virus becomes a challenge. 

 

Nature of growth

  • If Covid-19 preventive behaviours are not followed then super-spreader events such as closed parties and social gatherings will create more infections.

  • Contact tracing guidelines have not been followed rigorously this time when compared to the previous wave.

  • As cases have risen, testing time has also increased. This delay has allowed cases to surge without being monitored.

  • The oxygen requirement during this period has surged by over 13 percent in comparison to the peak during November.