COVID-19: Delta and the multiple variants and mutants yet to come. Herd immunity is unlikely to be achieved in our lifetime. As with the H1N1 and HIV virus, global waves of COVID-19 and its variants and mutations can be expected to continue far beyond our lifespan and that of succeeding generations. Viruses are asexual parasitic […]
Read MoreThe global number of new cases reported last week (19-25 July 2021) was over 3.8 million, an 8% increase as compared to the previous week (Figure 1); an average of around 540 000 cases were reported each day over the past week as compared to 490 000 cases reported daily the week before. This trend […]
Read MoreVariants of Concern A SARS-CoV-2 variant that meets the definition of a VOI (see below) and, through a comparative assessment, has been demonstrated to be associated with one or more of the following changes at a degree of global public health significance: Increase in transmissibility or detrimental change in COVID-19 epidemiology; or Increase in virulence or change […]
Read MoreThe new classifications for the COVID-19 Variants.
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