![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SZ3C32XUY7FLBHWMULIZRHEN7Y.jpg?smart=true&auth=60a72b523e60ff3043d3dcb06b993886d4a8018a0eb88febbb2d5ff610f995db&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa during a vaccination programme for teens aged 12 to 15. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/WICWMU3CZAHMQX5O26VSBDRBVU.jpg?smart=true&auth=76fb01669457463864a3a27c157fa4f773927ee3ab284604e94002ab99727d4d&width=400&height=225)
Mayra Navarrete, 13, receives the Pfizer Covid-19 vaccine from registered nurse, Noleen Nobleza at a clinic set up in the parking lot of CalOptima in Orange, California. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/FAQ76PMSRECWXI3KNNU6HJM4XM.jpg?smart=true&auth=64ac28e4ffbbb42b5efd4773529d4884bacfb890d4954fc6334f0c0d1e829231&width=400&height=225)
Hospital workers assisted by parents administer doses of Covid-19 vaccine to children at the Lady Ridgeway Children's Hospital in Colombo, Sri Lanka. EPA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/VR3O6V565ZZ2WQCKH4356QMIWY.jpg?smart=true&auth=97b21eefb2b9ca4280414e2abbb267d3e36b3534ec1b1cc21971f97bceb996c2&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa, Honduras. AFP
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A health worker inoculates a child with a dose of the Pfizer-BioNTech vaccine against the Covid-19 coronavirus at a children's hospital in Colombo. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/HKXKART6WYX76SL7LLNLJD4JTU.jpg?smart=true&auth=ed259332fbd0c76256e452e26eebdb72bbd28ea5f464c7728866bbc8f5fd2156&width=400&height=225)
A woman takes a snapshot of his son after he received the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SDR2JL6PPSOALCLXVYMGITYT5M.jpg?smart=true&auth=098a057aa079e9d454d4998cd82d7b1cb7e668774d1772e1cc6bc138057e7b47&width=400&height=225)
A teenager receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa during a vaccination programme for teens aged 12 to 15. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4TKWQHX52WLNZLVJADNDTDNZFQ.jpg?smart=true&auth=647ad404b3de552c8161877d0b42aa7ba09ff5b56b9d1fabaf17cff73e610221&width=400&height=225)
Doses containing Pfizer vaccines to be administered is seen ahead of the launch of the VaxuMzansi National Vaccine Day Campaign at the Gandhi Phoenix Settlement in Bhambayi township, north of Durban. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/YNDLLSWWXRK2S4GQ64T4YL76NE.jpg?smart=true&auth=421c55be9eb314d4968665182637fa4f9e03b2e046dcc95dda32586a6df65ac0&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4OB67QUKEAYB2W4AWJRE6K2GVI.jpg?smart=true&auth=71edef0ac01ae87beefdee385963dbef70ec6fec099d6d9e6822d9e0bb0fdb66&width=400&height=225)
A health personnel prepares a dose of the Pfizer-BioNTech vaccine against the Covid-19 coronavirus at a children's hospital in Colombo. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/MP5EKRYMBPRZ4PJX5SIWKKXPKI.jpg?smart=true&auth=02a5ba7b27e5fe340a4c1c52d1a2654202293a75a21abe7ecd5cf00c1fd9ffb6&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4XPBXYNE7YA3V6RNOL7PKIWWQM.jpg?smart=true&auth=6a62723eb50fe0ea479732bb819d134926d9f9757a87e5a37c4a9c9fa20a1583&width=400&height=225)
A girl receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa during a vaccination programme for teens aged 12 to 15.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SZ3C32XUY7FLBHWMULIZRHEN7Y.jpg?smart=true&auth=60a72b523e60ff3043d3dcb06b993886d4a8018a0eb88febbb2d5ff610f995db&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa during a vaccination programme for teens aged 12 to 15. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/WICWMU3CZAHMQX5O26VSBDRBVU.jpg?smart=true&auth=76fb01669457463864a3a27c157fa4f773927ee3ab284604e94002ab99727d4d&width=400&height=225)
Mayra Navarrete, 13, receives the Pfizer Covid-19 vaccine from registered nurse, Noleen Nobleza at a clinic set up in the parking lot of CalOptima in Orange, California. AP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/FAQ76PMSRECWXI3KNNU6HJM4XM.jpg?smart=true&auth=64ac28e4ffbbb42b5efd4773529d4884bacfb890d4954fc6334f0c0d1e829231&width=400&height=225)
Hospital workers assisted by parents administer doses of Covid-19 vaccine to children at the Lady Ridgeway Children's Hospital in Colombo, Sri Lanka. EPA
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/VR3O6V565ZZ2WQCKH4356QMIWY.jpg?smart=true&auth=97b21eefb2b9ca4280414e2abbb267d3e36b3534ec1b1cc21971f97bceb996c2&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa, Honduras. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/IPJSIADGFLHM73GCGUJOMCTJUU.jpg?smart=true&auth=296e1d197d4d854e1d6d73291af40e85723072cff47585940602c281e7db5fb1&width=400&height=225)
A health worker inoculates a child with a dose of the Pfizer-BioNTech vaccine against the Covid-19 coronavirus at a children's hospital in Colombo. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/HKXKART6WYX76SL7LLNLJD4JTU.jpg?smart=true&auth=ed259332fbd0c76256e452e26eebdb72bbd28ea5f464c7728866bbc8f5fd2156&width=400&height=225)
A woman takes a snapshot of his son after he received the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SDR2JL6PPSOALCLXVYMGITYT5M.jpg?smart=true&auth=098a057aa079e9d454d4998cd82d7b1cb7e668774d1772e1cc6bc138057e7b47&width=400&height=225)
A teenager receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa during a vaccination programme for teens aged 12 to 15. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4TKWQHX52WLNZLVJADNDTDNZFQ.jpg?smart=true&auth=647ad404b3de552c8161877d0b42aa7ba09ff5b56b9d1fabaf17cff73e610221&width=400&height=225)
Doses containing Pfizer vaccines to be administered is seen ahead of the launch of the VaxuMzansi National Vaccine Day Campaign at the Gandhi Phoenix Settlement in Bhambayi township, north of Durban. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/YNDLLSWWXRK2S4GQ64T4YL76NE.jpg?smart=true&auth=421c55be9eb314d4968665182637fa4f9e03b2e046dcc95dda32586a6df65ac0&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4OB67QUKEAYB2W4AWJRE6K2GVI.jpg?smart=true&auth=71edef0ac01ae87beefdee385963dbef70ec6fec099d6d9e6822d9e0bb0fdb66&width=400&height=225)
A health personnel prepares a dose of the Pfizer-BioNTech vaccine against the Covid-19 coronavirus at a children's hospital in Colombo. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/MP5EKRYMBPRZ4PJX5SIWKKXPKI.jpg?smart=true&auth=02a5ba7b27e5fe340a4c1c52d1a2654202293a75a21abe7ecd5cf00c1fd9ffb6&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa. AFP
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/4XPBXYNE7YA3V6RNOL7PKIWWQM.jpg?smart=true&auth=6a62723eb50fe0ea479732bb819d134926d9f9757a87e5a37c4a9c9fa20a1583&width=400&height=225)
A girl receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa during a vaccination programme for teens aged 12 to 15.
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SZ3C32XUY7FLBHWMULIZRHEN7Y.jpg?smart=true&auth=60a72b523e60ff3043d3dcb06b993886d4a8018a0eb88febbb2d5ff610f995db&width=400&height=225)
A boy receives the first dose of the Pfizer/BioNTech Covid-19 vaccine in Tegucigalpa during a vaccination programme for teens aged 12 to 15. AFP
Japanese scientists edge closer to developing single vaccine against all coronaviruses
Experts at Osaka University say they engineered antibodies that prevented Sars-CoV-2, Sars-CoV-1, and three coronaviruses found in pangolins and bats
![Daniel Bardsley](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/https%3A%2F%2Fs3.amazonaws.com%2Farc-authors%2Fthenational%2F4dcffed7-67d1-4c6f-b468-84a82d1ddd22.png?smart=true&auth=e4d7a6e3c76d7ec922e25339bc18538c62bc925936c2316006dc89b8a7becdc6&width=70&height=70)
Daniel Bardsley
10 October, 2021
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