The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certified by peer review.
COVID-19 worsens asthma in children
Asthma in children may worsen after an infection with the coronavirus, doctors warn.
They studied nearly 62,000 U.S. children with asthma who had PCR tests for the virus in the first year of the pandemic, including more than 7,700 who tested positive. Infected children had significantly more asthma visits, hospitalizations, emergency inhaler use, and steroid treatments during the six months after their illness compared to children who tested negative and to their own prior history, researchers reported in the Journal of Allergy and Clinical Immunology: In Practice.
Children who tested negative for the virus "had improved asthma control for the next six months, meaning fewer emergency department visits and hospitalizations for asthma, and less asthma treatment," said Dr. Christine Chou of Children's Health of Orange County, in California.
Results of earlier studies showing improvement in asthma control in the early part of the pandemic were likely due to public health measures like staying home and masking, which curbed exposure to asthma triggers, she said. Despite the overall impression that children with asthma did well during the first year of the pandemic, Chou added, the new study shows "longer lasting harm of COVID on children's asthma control."
Booster after infection adds little extra benefit vs Omicron
Among people who were previously infected with the coronavirus, a third dose of an mRNA vaccine from Pfizer/BioNTech or Moderna may not boost their protection against the Omicron variant of the virus, according to new data.
Researchers studied nearly 130,000 people tested for COVID in Connecticut from November 2021 through January 2022, including 10,676 with Omicron infections. Roughly 6% to 8% had been infected with previous versions of the coronavirus, according to a report posted on medRxiv ahead of peer review.
Two doses of an mRNA vaccine did help protect against Omicron among people with prior infections, but "we did not detect an additional benefit of receiving a third booster dose among this population," said Margaret Lind of Yale University.
A separate study from Canada, also posted on medRxiv ahead of peer review, similarly found that more than two vaccine doses "may be of marginal incremental value" for protecting previously-infected individuals against Omicron.
The message, Lind said, "should be that (1) people should get two doses of mRNA vaccine regardless of if they have had a prior infection or not, that (2) people without prior infections should get a booster dose and that (3) people with prior infections should consider a booster dose, especially if they are in a high risk group for life threatening complications, but recognize that it may not provide significant additional protection against infection above two doses.
Reuters
Wed May 04 2022
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Children and their parents wait to receive a vaccine against COVID-19 at a health center as Cambodia begins to vaccinate children aged 3 to 5 years old, in Phnom Penh, Cambodia, February 23, 2022. REUTERS
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Kekalahan di Sungai Bakap bukan penamat hadapi PRK seterusnya - Ahmad Zahid
Kekalahan calon Pakatan Harapan (PH) pada Pilihan Raya Kecil (PRK) Dewan Undangan Negeri (DUN) Sungai Bakap di Pulau Pinang semalam bukanlah penamat kepada gabungan parti dalam Kerajaan Perpaduan khus
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Perpaduan kaum, agama asas penting mesti dipelihara - Agong
Sultan Ibrahim bertitah dalam konteks Malaysia, perpaduan kaum dan agama yang kukuh adalah asas penting yang mesti dipelihara.
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Selepas Sarawak, Pulau Pinang minat anjur bersama Sukan SEA 2027 - Hannah
Pulau Pinang menjadi negeri terbaharu selepas Sarawak untuk menjadi hos bersama penganjuran temasya Sukan SEA 2027, menurut Menteri Belia dan Sukan Hannah Yeoh.
'Unifikan' platform perniagaan anda dengan Unifi Business
Unifi Business selaku rakan digital pilihan lebih 400,000 perusahaan mikro, kecil dan sederhana (PMKS) berhasrat membantu mentransformasikan perniagaan melalui penyelesaian digital komprehensif.
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Darurat diisytihar di Voronezh, Rusia selepas serangan dron Ukraine
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Polis serbu 10 premis urut tawar khidmat seks, tahan 39 wanita warga asing
Polis menahan 39 wanita warga asing yang disyaki bekerja sebagai pekerja seks dan tukang urut dalam serbuan di 10 premis urut sekitar Lembah Klang, Jumaat lepas.
PDRM kutip lebih RM1 juta diskaun saman
Ketua Jabatan Siasatan dan Penguatkuasaan Trafik Kontinjen Pahang Deputi superintanden Ahmad Ridha Hariri berkata jumlah itu ialah hasil bayaran yang diterima daripada 2,000 pengunjung yang mendapatkan tawaran diskaun 50 peratus daripada PDRM.
AWANI Ringkas: Tuntutan RM100 juta tidak berasas
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COVID-19 terkawal tetapi virus akan terus ada bersama kita - KKM
Kebanyakan kes COVID-19 yang dilaporkan mengalami gejala ringan dan tidak memerlukan rawatan di hospital.
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COVID-19: Kes aktif varian Omicron bergejala ringan - Pakar perubatan
Beliau berkata kes COVID-19 dijangka berkurangan selepas satu bulan berdasarkan pemerhatian trend jangkitan virus oleh KKM.
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COVID-19: Kes meningkat kepada 12,757 pada ME49/2023
Walaupun terdapat peningkatan kes COVID-19, keadaan di Malaysia masih terkawal dan tidak membebankan fasiliti kesihatan sedia ada.
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COVID-19: Kes jangkitan meningkat kepada 2,305 minggu lalu, 21 varian Omicron
Daripada jumlah itu, terdapat 20 kes Variant of Concern (VOC) dan satu kes Variant of Interest (VOI).
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COVID-19: Qatar kesan kes pertama varian baharu EG.5
Qatar mengesan kes pertama varian baharu COVID-19 dikenali EG.5 di negara itu, kata Kementerian Kesihatan Awam pada Khamis.
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Saintis seru rakyat UK pakai pelitup muka ekoran varian baharu "Eris"
Saintis menggesa orang ramai di United Kingdom kembali memakai pelitup muka di tengah-tengah kebimbangan "mutasi" subvarian Omicron, "Eris" yang kini menyumbang satu daripada 10 kes di negara itu.
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Berita antarabangsa pilihan sepanjang hari ini
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COVID-19: Indonesia kesan tujuh kes Arcturus setakat ini
Indonesia mengesan lima kes baharu subvarian Omicron, Arcturus, menjadikan jumlah keseluruhan kepada tujuh kes setakat semalam.
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Kes COVID-19 dalam negara masih terkawal - Dr Zaliha
Kes COVID-19 di dalam negara ini masih lagi terkawal meskipun berlaku sedikit peningkatan kebelakangan ini dan rakyat tidak perlu panik, kata Menteri Kesihatan Dr Zaliha Mustafa.
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Vaksin COVID-19: Australia lancar dos penggalak kelima
Keputusan itu memperluaskan kelayakan suntikan dos penggalak merangkumi kira-kira 14 juta orang yang akan ditawarkan vaksin.