Sumary of Covid symptoms: Eight signs you may have had the virus without even knowing:
- The COVID-19 virus may have been around longer than we originally thought resulting in some people who may have had the virus and recovered from it without even knowing..
- If a person has contracted COVID-19 and then subsequently fought the virus off, the theory among many scientists is that they become immune to reinfection..
- Like similar coronaviruses, antibodies develop to help the body defeat the illness, and the body develops at least short-term immunity as those antibodies linger around after COVID-19 is gone..
- When a person gets a viral or bacterial infection, a healthy immune system makes antibodies against one or more components of the virus or bacterium, said Health Harvard..
- “While the immune system could potentially respond to different parts of the virus, it’s the spike proteins that get the most attention..
- “Immune cells recognize the spike proteins as a foreign substance and begin producing antibodies in response.”…