🇧🇷 Brazil cases shed more light on COVID-19 reinfection risk - Imperial College London
RECURRENCE may be more frequent than previously thought. 7% (33) of cases monitored.
imperial.ac.uk/news/217093/br…
RECURRENCE may be more frequent than previously thought. 7% (33) of cases monitored.
imperial.ac.uk/news/217093/br…
Uncertainty if recurrence or reinfection due to lack of preserved samples from 1st episode (1 - a different variant). Among those with recurrent infection, the majority were
-healthcare workers (30)
-female (27),
-average period without disease between 1st & 2nd: 51 days.
-healthcare workers (30)
-female (27),
-average period without disease between 1st & 2nd: 51 days.
-42% (14) were A+ blood type.
(34% in population as a whole)
-more than half of the 33 cases (17) showed a lower antibody response after the 1st infection compared to control group (31 of 62 cases).
(34% in population as a whole)
-more than half of the 33 cases (17) showed a lower antibody response after the 1st infection compared to control group (31 of 62 cases).
Severity of the second COVID-19 episode was associated with pre-existing health conditions including
-obesity,
-hypertension,
-diabetes, and
- asthma.
-obesity,
-hypertension,
-diabetes, and
- asthma.
Professor Altmann explained: “We have been careful to call these cases ‘recurrent’, rather than ‘reinfection’, as we cannot fully rule out reservoir of virus persisting.”
“However, we know these people had an initial confirmed COVID-19 infection, recovered and returned to work for a period, before having a second confirmed COVID-19 infection, and that at least two of the cases had a negative PCR result in the interim.”
• • •
Missing some Tweet in this thread? You can try to
force a refresh
