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The New Paper Two vaccines used in Singapore offer significant protection: Experts The two mRNA vaccines used here - Pfizer-BioNTech (above) and Moderna - can provide an effective shield against all current variants of the Covid-19 virus, according to experts. PHOTOS: REUTERS The two mRNA vaccines used here - Pfizer-BioNTech and Moderna (above) - can provide an effective shield against all current variants of the Covid-19 virus, according to experts. But experts say it will not be absolute and have differing views on extent SALMA KHALIK, SENIOR HEALTH CORRESPONDENT May 10, 2021 06:00 am 0 Eng...

SINGAPORE - The two vaccines Singapore is using will protect significantly, but not absolutely, against all current variants of the coronavirus that causes Covid-19, say experts. To what extent, however, is where they do not agree. The Ministry of Health said last week that all three Covid-19 variants of concern (VOCs) - strains that could cause the most harm - as well as the two variants of interest (VOIs) behind the massive surge in cases in India, have been found in community transmissions here. VOIs have the potential to become VOCs. The three VOCs - the B117 UK variant, P1 Brazilian vari...

'Describing Indian variant as double or triple mutant a misnomer' Dr Maurer-Stroh said the terms "double mutant" or "triple mutant" variants used to describe the virus strains rampaging in India are therefore a misnomer, but broadly refer to the more significant mutations found in those variants.   "Fortunately, there are only three VOCs right now. However, there are several variants of interest (VOI) which appear to exhibit some of the characteristics of a VOC, but without sufficient evidence for the moment. That may change." They include the two variants first detected in India that are ca...

SINGAPORE - The Sars-CoV-2 virus that sparked the Covid-19 pandemic has undergone more than 6,600 unique spike protein mutations, said Dr Sebastian Maurer-Stroh, executive director of the Bioinformatics Institute at the Agency for Science, Technology and Research (A*Star). Viruses mutate whenever there is a "mistake" in the replication process. This could result from an addition, a deletion or a change to its genetic code. If that mistake increases its survival prospects, more copies of that "wrong" replication will survive, and sometimes overwhelm the original version. For example, the D614G...

This time, however, such places will be shut down for two days to undergo deep cleaning. The big question is why? It can't be just that there are more community cases. Eight of the 13 infections forming the cluster at Tan Tock Seng Hospital (TTSH) are patients who have not been roaming around, so essentially only the five staff members are of concern. One possible reason it is different this time could be the fear that this outbreak may be caused by a viral variant of concern. These are mutations that are believed to spread more easily and cause more severe illness.