T Cells

Total 9 Posts

How long do COVID vaccines take to start working?

5 min read
The infection of people who have received a first vaccine dose isn’t completely surprising and highlights the fact you need two doses for optimal protection against COVID-19.

Delaying second COVID-19 vaccine doses will make supplies last longer but comes with risks.

7 min read
With vaccine shortages looming, experts are debating whether it is important to receive two doses or whether it is better to give one dose to more people and give a second when the supply is better.

COVID-19 immunity: How long does it last?

5 min read
Long-term protection will depend on the ‘memory response’ developed by our immune systems – and the initial signs are promising.

Are ‘immunity passports’ a good idea?

5 min read
Vaccinated people may still transmit infection, and we need to gather evidence after the Covid-19 vaccines are rolled out to measure if vaccines can confer sterilising immunity and eliminate transmission.

Inflammation: The key factor that explains vulnerability to severe COVID.

5 min read
Abnormal functioning of the immune system is what characterises severe COVID, and can be driven by diabetes, obesity, sex and age.

Coronavirus reinfection – What it actually means, and why you shouldn’t panic.

3 min read
Scientists were not surprised by reports on coronavirus reinfection; the lack of symptoms on reinfection is encouraging.

Coronavirus: Does the common cold protect you from COVID?

3 min read
Some people who have never had COVID-19 have the antibodies to fight it – possibly from an earlier infection with a different coronavirus.
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