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Adults Antibodies Children Immune system PCR tests Severe Covid Symptoms Tests The Virus

It seems not all Covid-19 patients develop antibodies

Note eryone develops antibodies against SARS-Cov-2 when infected. It isn’t suprising since it is a common result when the same thing is investigated in other viral infections. Many factors are involved.

https://www.labroots.com/trending/coronavirus/21206/covid-19-patients-develop-antibodies

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Adults BA.2.75 BA.4 BA.5 Children DNA Genetics Omicron PCR tests Tests The Virus Transmission Transmission and mitigation

New strains not showing up in PCR-tests

Later variants have mutated enough to not show up on single gene PCR-tests. For testing to function satisfactory PCR-tests now need two gene detection.

https://www.news-medical.net/amp/news/20211115/Standard-PCR-tests-do-not-pick-up-new-Covid-strains-warns-expert.aspx