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Articles on Immune system

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Vaccination has saved millions of lives throughout the course of history. Phynart Studio/E+ from Getty Images

Millions are rejecting one of humanity’s best weapons for saving lives: Vaccines

Vaccines have successfully curtailed viral diseases for decades. But as COVID-19 vaccination hesitancy shows, mistrust and misinformation continue to put lives at risk.
Make that second appointment and get your final dose for full protection. MediaNews Group/Reading Eagle via Getty Images

How effective is the first shot of the Pfizer or Moderna vaccine?

An immunologist explains that you get some protection from the first dose of the mRNA vaccines but you need two to build up strong immunity, particularly to newer coronavirus variants.
Children’s early interactions with their environment are essential for the immune systems to learn to differentiate between safe versus dangerous disease-causing microbes. (CDC/Cade Martin)

A year of COVID-19 lockdown is putting kids at risk of allergies, asthma and autoimmune diseases

COVID-19 prevention measures are at odds with guidelines for healthy development of children’s immune systems. The result may be a cluster of youth with more allergies, asthma and autoimmune disease.
The number one scientific breakthrough for 2020: multiple vaccines to prevent COVID-19. Philippe Raimbault/Photodisc via Getty Images

The top scientific breakthrough for 2020 was understanding SARS-CoV-2 and how it causes COVID-19 – and then developing multiple vaccines

The development of multiple vaccines against the virus that causes COVID-19 has been hailed as the breakthrough of 2020. But there were many more supporting discoveries that made this possible.

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