Diseases, Conditions, Syndromes

Why are some viruses harmless and others deadly?

Viruses outnumber humans by about 400 trillion to one, and yet pandemics are rare. Why? Why do a few viruses inflict so much damage, when the vast majority are harmless or even helpful?

Health

Four ways to stop COVID ruining Christmas again in 2021

This autumn the UK has had between 30,000 and 50,000 new COVID cases each day, and globally cases are rising again after months of steady decline—so much so that many countries are reintroducing measures to curb the virus. ...

Diseases, Conditions, Syndromes

Fighting influenza

It's cold and flu season on top of the ongoing COVID-19 pandemic. The concern this year is the early arrival of respiratory syncytial virus, along with an uncertain flu season after a mild one last year due to many people ...

Diseases, Conditions, Syndromes

Flu season underway amid ongoing COVID-19 pandemic

For the second straight year, flu season is emerging against the backdrop of the COVID-19 pandemic. While the number of flu cases was relatively low last year, experts at Johns Hopkins Medicine say that this year, it could ...

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