You might get congestion and have a headache.

And these are all part of the immunological response, or, or secondary effects of it.

But that doesnt mean that you have a high viral load yet.

COVID test

Verywell Health / Amelia Manley

Boosted individuals might recognize their symptoms earlier and start to self-isolate before theyre infectious.

This, unfortunately, got very, very confused by most scientists at the beginning of the pandemic.

The starting base of the mountain indicates someones initial exposure to the virus.

How To Know If Your COVID-19 Case Is Infectious?

Rapid antigen testing is thebest indicator of infectiousness, according to Mina.

Still, any positive test means that theres a chance of being able to spread the virus.

The former was of particular concern before vaccines were available, he added.

About half of the people never developed symptoms and they still were able to transmit.

And thats because their immune system never had a chance to really turn on.

Before people had access to vaccination, any display of symptoms was extremely dangerous, Mina added.

It was literally the symptoms of the virus destroying you, he said.

COVID-19 remains a deadly virus and its symptoms are still not something to be taken lightly.

As a result, mild COVID-19 symptoms show that our immune system is working to protect us.

For the most recent updates on COVID-19, visit ourcoronavirus news page.

Preprint posted online February 2, 2022. doi:10.1101/2022.02.01.22269931