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COVID-19 Was Predicted to Become Less Deadly - Until The UK Strain Emerged

ED FEIL & CHRISTIAN YATES, THE CONVERSATION
2 FEBRUARY 2021
A recent modelling study painted a reassuring picture of a post-pandemic future in which SARS-CoV-2 transitions, over a few years to a few decades , from dangerous pathogen to just another common-cold coronavirus.

This predicted loss of virulence, the authors stress, is based on a specific idiosyncrasy of the virus, namely that it rarely causes serious disease in children.
Still, many experts agreed that we should not be in the least surprised by the authors conclusion, as all viruses become more transmissible and less pathogenic over time .
After all, the seductive logic goes, from an evolutionary perspective it makes no sense for a pathogen to harm the host on which it depends for its survival. According to this reasoning, virulence is little more than a temporary evolutionary imbalance. ....

United Kingdom , Charles Darwin , Robert May , Theobald Smith , Troy Anderson , Louis Pasteur , Frank Fenner , Charles Birch , Virus Threats Advisory Group , Department Of Agriculture , Emerging Respiratory Virus Threats Advisory Group , Big Idea , ஒன்றுபட்டது கிஂக்டம் , சார்லஸ் டார்வின் , ராபர்ட் இருக்கலாம் , தியோபால்ட் ஸ்மித் , ராய் ஆண்டர்சன் , லூயிஸ் பாஸ்டர் , வெளிப்படையான ஃபென்னர் , சார்லஸ் பிர்ச் , பெரியது யோசனை ,

Will coronavirus really evolve to become less deadly?

A recent modelling study painted a reassuring picture of a post-pandemic future in which SARS-CoV-2 transitions, over “a few years to a few decades”, from dangerous pathogen to just another common-cold coronavirus. This predicted loss of virulence, the authors stress, is based on a specific idiosyncrasy of the virus, namely that it rarely causes serious disease in children.
Still, many experts agreed that we should not be in the least surprised by the authors’ conclusion, as all viruses “become more transmissible and less pathogenic over time”. After all, the seductive logic goes, from an evolutionary perspective it makes no sense for a pathogen to harm the host on which it depends for its survival. According to this reasoning, virulence is little more than a temporary evolutionary imbalance. ....

United Kingdom , Wikimedia Commons , Charles Darwin , Robert May , Troy Anderson , Frank Fenner , Theobald Smith , Louis Pasteur , Charles Birch , Virus Threats Advisory Group , Department Of Agriculture , Emerging Respiratory Virus Threats Advisory Group , Big Idea , Queensland State , ஒன்றுபட்டது கிஂக்டம் , சார்லஸ் டார்வின் , ராபர்ட் இருக்கலாம் , ராய் ஆண்டர்சன் , வெளிப்படையான ஃபென்னர் , தியோபால்ட் ஸ்மித் , லூயிஸ் பாஸ்டர் , சார்லஸ் பிர்ச் , பெரியது யோசனை , குயின்ஸ்லாந்து நிலை ,

Could Sars-Cov-2 be evolving to become more transmissible – but less lethal?

All pathogens mutate over time – including coronaviruses and influenza
What does it mean when a virus mutates? It s a question, previously arcane and scientific, that has become particularly pertinent as the threat of a new Sars-Cov-2 variant has wreaked havoc in Britain and beyond.
B.1.1.7 – also known as VUI-202012/01 (the first “variant under investigation” in December) – is far from the first change to be detected in the coronavirus. There were more than 12,000 mutations detected in the first 50,000 Sars-Cov-2 genomes studied and scientists have now diligently recorded more four times that number.
Most of these mutations have little impact – they are akin to misspelling a word, the letters are jumbled but the meaning remains the same. But occasionally, a mutation will trigger a change of behaviour in a virus. ....

United Kingdom , Theobald Smith , Ian Jones , Jonathan Ball , Ravindra Gupta , University Of Cambridge , University Of Reading , University Of Nottingham , Prof Ravindra Gupta , ஒன்றுபட்டது கிஂக்டம் , தியோபால்ட் ஸ்மித் , ஈயந் ஜோன்ஸ் , ஜொனாதன் பந்து , ரவின்ற குப்தா , பல்கலைக்கழகம் ஆஃப் கேம்பிரிட்ஜ் , பல்கலைக்கழகம் ஆஃப் ரீடிஂக் , பல்கலைக்கழகம் ஆஃப் நாட்டிங்ஹாம் , ப்ரொஃப் ரவின்ற குப்தா ,