Covid19mathblog.com
Good news on vaccine front for Pfizer – highlights even if you were previously infected the vaccine increases response for potential later infection – and 1 shot is effective – https://www.chroniclelive.co.uk/news/north-east-news/covid-vaccine-study-newcastle-health-20272535
“A major Covid-19 vaccine study involving North East experts showed that 99% of people taking part generated a robust immune response after just one dose of the Pfizer vaccine.”
“It found people who had previously been infected with Covid-19 showed higher T cell and antibody responses after one dose of the vaccine compared with people who had never had the virus before and had one dose of the vaccine. However, the researchers also discovered that among previously infected individuals, the T cell response expanded after vaccination to recognise more regions of the Covid-19 spike protein – the protein that attacks the immune system and causes severe disease.
This means vaccination provides a better immune response to Covid-19, including against variants, than the immune response from natural infection.”
“"A second vaccine jab is crucial for longer-term protection, regardless of whether you have previously had Covid-19 or not, and I urge everyone to make sure they attend their second appointment – to keep themselves and those around them safe."”
Brazil continues to expand – variants will likely grow in this environment. The world needs to assist Brazil. Mexico still one of the worse place to get Covid 9% fatality rate – yet super low vaccination rates.
India France and Brazil continue to show increasing confirmation approaching exponential growth.
NY leads confirmation. CA leads death
After NYC counties – Harris county TX is next in confirmation. San Bernadino continue to lead deaths for US counties