SARS-CoV-2-reactive T cells in healthy donors and patients with COVID-19
Abstract https://www.nature.com/articles/s41586-020-2598-9
Some people that have been infected with certain cold viruses (coronaviruses) have antibodies that might help them fight off the SARS CoV2 virus, and lead to fewer severe symptoms.
The study about published in the journal Nature found that among a sample of 68 healthy adults in Germany who had not been exposed to the coronavirus, 35% had T cells in their blood that were reactive to the SARS CoV2 virus. One possible implication for these results is that perhaps because young kids often have colds that fact might be a reason why they are less likely to get infected with the SARS CoV2 virus and have bad outcomes.
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MMWR: SARS-CoV-2 Transmission and Infection Among Attendees of an Overnight Camp
CDC released an MMWR summarizing a case study of SARS-CoV-2 transmission at an overnight camp in Georgia. While the camp instituted most of the CDC’s suggestions for summer camps, they did not require cloth face coverings or opening windows and doors to increase ventilation.
A total of 597 Georgia residents attended the camp and the overall attack rate was 44%. The study demonstrates that youth are susceptible to SARS-CoV-2 infection and that asymptomatic infection is a critical component of disease transmission.
