Relaxing restrictions like mask-wearing and social distancing when most people have been vaccinated greatly increases the risk of vaccine-resistant variants of the virus that causes COVID-19, new research showed on Friday.
Jul 30, 2021
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Across the U.S., COVID-19 cases are rising again, primarily in unvaccinated populations. Most of these cases are due to the highly infectious delta variant of SARS-Cov-2, the coronavirus that causes COVID-19. Many children ...
Jul 27, 2021
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The United States served notice Monday that it will keep existing COVID-19 restrictions on international travel in place for now due to concerns about the surging infection rate because of the delta variant.
Jul 26, 2021
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The rapid spread of the Alpha variant of COVID-19 resulted from biological changes in the virus and was enhanced by large numbers of infected people "exporting" the variant to multiple parts of the UK, in what the researchers ...
Jul 22, 2021
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Canada announced Monday it will begin letting fully vaccinated U.S. citizens into Canada on Aug. 9, and those from the rest of the world on Sept. 7.
Jul 19, 2021
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Using smartphones for eye screening and referrals could triple the number of people seeking primary care for eye problems and increase the uptake of hospital services in low-resource settings, a study says.
Jul 16, 2021
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Voluntary curbs on movement and travel before governments first imposed national lockdowns helped cut COVID death rates almost as effectively as the lockdown measures themselves, according to a new study.
Jul 8, 2021
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New Zealand announced a three-day suspension of its quarantine-free travel arrangement with Australia on Saturday, with Wellington citing "multiple" outbreaks of COVID-19 in the neighbouring country.
Jun 26, 2021
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France on Wednesday added Russia to its list of countries from which non-essential travel is banned, as concern grows over a spike of cases in Moscow due to the Delta variant.
Jun 23, 2021
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After enjoying nearly four months without any community transmission of the coronavirus, New Zealanders were on edge Wednesday after health authorities said an infectious traveler from Australia had visited over the weekend.
Jun 23, 2021
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