LyrArc Article Gist
With more vaccines available from Pfizer and Moderna, and the poor SinoVac Chinese vaccine effectiveness against the Delta variant, Brazil and other countries in Latin America and Asia are shifting away from Chinese vaccines. Brazil's federal government has halted negotiations for additional doses of Chinese vaccines. In the early stages in 2020 Chinese vaccines helped Brazil cope with the devastating rise in cases. The slow pace of vaccinations in US and Europe has freed up more vaccine doses of Pfizer for other countries including Brazil. From accounting for 80% of vaccines in Brazil early in 2020, SinoVac vaccines now make up only 35% of Brazil's vaccine doses. At that time Brazil bought 100 million doses of SinoVac vaccine which were delivered. The local producer of SinoVac vaccine, the Butantan Institute will no longer make Chinese vaccines. While Sinovac vaccines are effective at preventing deaths, the vaccines have a low effectiveness rate for symptomatic infections. ...

LyrArc Article Gist
Estimates that about 161 million people have been vaccinated in China with Sinovac vaccine made in China. That vaccine has effectiveness of 50.1% at preventing symptomatic infections, as estimated by researchers in Brazil. This compares with the newer technology used in Pfizer and Moderna vaccines that have effectiveness of over 90%. 

LyrArc Article Gist
An India like surge is feared for Indonesia with the spread of the Delta variant and rising cases. Sudden spikes in Jakarta, central Java, and Bangkalan on the Java coast are straining hospitals. A nation of 270 million Indonesia has only a small vaccination program dependent on Sinovac vaccine from China, and only 5% are vaccinated.

Doctors say whether you are young or old have co-morbidities or not you can catch the coronavirus delta variant. Several members of a household can catch it and the deterioration happens quickly. Doctors in India made similar comments during the surge there in May 2021. Kudus region in central Java is typical. At first cases were declining from a January peak by May. Then cases jumped in June. A third of cases turned up positive for PCR tests.

LyrArc Article Gist
Indonesia, Philippines and Turkey will take a Sinovac vaccine from China even though it has results of effectiveness of just above the 50% threshhold of WHO. A late stage trial shows 51% effectiveness of this vaccine. This is lower than the 78% rate the trial's organizers had earlier reported, says WSJ.