Abstract
The recent surge in COVID-19 cases in the state of Kerala in India has been studied in this article. The dynamics of virus spread, sero-survey results, health index, and herd immunity concept have been applied. Kerala, with the highest score on the health index among all the states of India, is most susceptible to the SARS-CoV-2 virus. Kerala has nearly the same number of cases as Germany. The “Health Index Theory” established in this review article first has explained well the surge in the cases. Briefly, the concept of COVID-19 herd immunity has also been tested first.
Highlights
The origin of the COVID-19 pandemic, infection aspect, and testing and treatment have been described in recently published articles [1]-[3]
The current rise in coronavirus cases in Kerala is surprising as the state was successful in controlling the outbreak in the initial days of the pandemic
Review article first established scientifically the reason for most coronavirus cases in Kerala compared to other states
Summary
The origin of the COVID-19 pandemic, infection aspect, and testing and treatment have been described in recently published articles [1]-[3]. The SARS-CoV-2 reverse-zoonotic transmission from humans to household pets has been established [5]. The number of cases in India started [12] increasing again in the second wave, in four states of Punjab, Maharashtra, Kerala, and Madhya Pradesh at the end of winter and start of spring. The current rise in coronavirus cases in Kerala is surprising as the state was successful in controlling the outbreak in the initial days of the pandemic. Review article first established scientifically the reason for most coronavirus cases in Kerala compared to other states.
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