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Few—but many more than reported—had COVID-19, studies estimate

By |2020-08-02T19:12:50+00:00August 2nd, 2020|

An analysis of serum samples collected as part of routine COVID-19 testing from 16,025 people of all ages at 10 US sites from Mar 23 to May 12 suggests that, while most people had not been infected, at least 10 times more people were probably infected than previously reported, according to a study published today in JAMA Internal [...]

The Infectious Nature of Patient-Generated SARS-CoV-2 Aerosol

By |2020-08-02T19:12:49+00:00August 2nd, 2020|

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission causing coronavirus disease 2019 (COVID-19) may occur through multiple routes. We collected aerosol samples around six patients admitted into mixed acuity wards in April of 2020 to identify the risk of airborne SARS-CoV-2. Measurements were made to characterize the size distribution of aerosol particles, and size-fractionated, aerosol [...]

Hong Kong’s third wave of Covid-19 kills two more elderly patients as public hospitals warn they could run out of first-tier isolation beds

By |2020-08-02T19:12:47+00:00August 2nd, 2020|

Hong Kong’s third wave of Covid-19  killed two more elderly patients as the city confirmed another 61 infections on Tuesday and public hospitals warned they might run out of first-tier isolation beds this week. Fifty-eight of the new infections were locally transmitted, 25 of which could not be sourced, and another three imported cases were [...]

Research in the time of a pandemic: Using supercomputers and statistical physics to inform government policies

By |2020-08-02T19:12:47+00:00August 2nd, 2020|

This week, we talk to Dr. Chansoo Kim, research scientist at the Computational Science Center in the Korea Institute of Science and Technology (KIST). He provides insights on how data and simulation models can be used to track and predict the COVID-19 spread, what effect possible mitigation strategies can have on transmission patterns, as well [...]

COVID-19 temperature checks might do more harm than good

By |2020-08-02T19:12:46+00:00August 2nd, 2020|

Follow all of PopSci’s COVID-19 coverage here, including tips on cleaning groceries, ways to tell if your symptoms are just allergies, and a tutorial on making your own mask. Temperature checks are becoming a normal part of life in many places across the country, from your local gym to Disneyland, where, if your temperature is above 100.4 degrees Fahrenheit, you won’t get [...]

Irish survey finds good compliance for dried herbs and spices

By |2020-08-02T18:07:29+00:00August 2nd, 2020|

A survey in Ireland has found the majority of dried herbs and spices are safe but a small percentage may be contaminated with pathogens. Between August and the end of November 2017, the Food Safety Authority of Ireland (FSAI), Environmental Health Service and Official Food Microbiology Laboratory Group of the Health Service Executive (HSE) investigated the [...]

Vaccines for COVID-19 moving closer

By |2020-08-02T18:07:26+00:00August 2nd, 2020|

As the world reels from illnesses and deaths due to COVID-19, the race is on for a safe, effective, long-lasting vaccine to help the body block the novel coronavirus SARS-CoV-2. The three vaccine approaches discussed here are among the first to be tested clinically in the United States. How vaccines induce immunity: The starting line In [...]

Should Coronavirus Disease 2019–Associated Inflammatory Syndromes in Children Affect Social Reintegration?

By |2020-08-01T19:02:54+00:00August 1st, 2020|

Recent reports in several medical journals, including JAMA, and the general media have highlighted the emergence of coronavirus disease 2019 (COVID-19)–associated inflammatory syndromes in children.1–3 Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) appears to induce this new condition, which has been called pediatric multisystem inflammatory syndrome (PIMS) or pediatric multisystem inflammatory syndrome temporally associated with SARS-CoV-2 (PIMS-TS) and described in detail [...]

As shutdowns loom, report says poor COVID-19 data hampered US response

By |2020-08-01T19:02:52+00:00August 1st, 2020|

As COVID-19 cases, hospitalizations, and deaths rise across the country, several US cities are starting to tighten their restrictions on businesses, and some cities and counties are on the verge of returning to lockdowns. The US COVID-19 case total rose to 3,858,686 today, including 141,426 deaths, according to the Johns Hopkins University coronavirus tracker. Meanwhile, a report today [...]