Latest Breaking News On - ஞாயிற்றுக்கிழமை இஸ்ரேல் - Page 8 : comparemela.com

news Spread of Covid-19 variants heightens debate over extra vaccines China is among the countries considering a third dose. Photo: STR/AFP A growing number of countries are considering third vaccine shots, but it is still not clear that this is the most effective way to tackle Covid-19 as new variants spread and it remains unknown how long their protection lasts. Scientists say this is a complicated question and the answers could vary according to individual or national circumstances - or the vaccines involved. The World Health Organization says so far there is no evidence booster shots are needed. Do you have questions about the biggest topics and trends from around the world? Get the answers with SCMP Knowledge, our new platform of curated content with explainers, FAQs, analyses and infographics brought to you by our award-winning team.

United statesFlinders universitySouth australiaUnited kingdomDicky budimanNikolai petrovskyTedros adhanom ghebreyesusWorld health organizationChina morning post world health organizationAustralia griffith universitySunday israelGriffith universityAdhanom ghebreyesusஒன்றுபட்டது மாநிலங்களில்ஃப்லிஂடர்‌ஸ் பல்கலைக்கழகம்தெற்கு ஆஸ்திரேலியா