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Studies explore asymptomatic COVID-19 cases, racial inequities

By |2020-10-07T07:27:30+00:00October 7th, 2020|

Today, PLOS Medicine published two large COVID-19 studies, one a meta-analysis of 79 international studies showing that most infected patients eventually have symptoms, and the other a study of 5.8 million US Department of Veterans Affairs patients revealing that blacks and Hispanics were more likely to be infected—but not to die within 30 days—than whites.     [...]

State public health officials announce season’s fifth human case of EEE in the Commonwealth

By |2020-10-07T07:27:28+00:00October 7th, 2020|

BOSTON — The Massachusetts Department of Public Health (DPH) today announced that laboratory testing confirmed the fifth human case of Eastern Equine Encephalitis (EEE) virus infection, a female in her 60s who was exposed to EEE in Plymouth County. Exposure occurred in an area already known to be at elevated risk for EEE, so no change [...]

Indoor Air and COVID-19 Key References and Publications

By |2020-10-03T06:47:50+00:00October 3rd, 2020|

This page lists some of the technical publications addressing the science related to transmission of SARS-Co-V-2 through aerosol in indoor environments. This is an area of active research that is fast developing. References will be updated periodically. Multiple scientific journal articles have been published related to the issue of potential airborne transmission of SARS-Co-V-2 through [...]

Influenza Virus Aerosols in Human Exhaled Breath: Particle Size, Culturability, and Effect of Surgical Masks

By |2020-10-03T06:47:48+00:00October 3rd, 2020|

Abstract The CDC recommends that healthcare settings provide influenza patients with facemasks as a means of reducing transmission to staff and other patients, and a recent report suggested that surgical masks can capture influenza virus in large droplet spray. However, there is minimal data on influenza virus aerosol shedding, the infectiousness of exhaled aerosols, and [...]

Transmission of SARS-CoV-2: A Review of Viral, Host, and Environmental Factors

By |2020-10-03T06:47:47+00:00October 3rd, 2020|

Abstract Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiologic agent of coronavirus disease 2019 (COVID-19), has spread globally in a few short months. Substantial evidence now supports preliminary conclusions about transmission that can inform rational, evidence-based policies and reduce misinformation on this critical topic. This article presents a comprehensive review of the evidence on transmission [...]

Menopause-related hot flashes and night sweats can last for years

By |2020-10-03T06:47:42+00:00October 3rd, 2020|

How long do hot flashes last? It used to be said that menopause-related hot flashes fade away after six to 24 months. But for many women, hot flashes and night sweats often last a lot longer—by some estimates seven to 11 years. The hormonal roller coaster that comes as a woman’s childbearing years wind down can [...]

US COVID-19 deaths top the 200,000 mark

By |2020-10-03T06:47:38+00:00October 3rd, 2020|

The United States passed the grim milestone of 200,000 deaths from COVID-19 today on the first day of fall, cases are rising nationally, and more controversies and developments continue to roil the US response. Currently, the US fatality count from COVID-19 is at 200,477 among 6,882,969 cases that have been reported, according to the Johns Hopkins online [...]

Qld premier urges calm as virus cases jump

By |2020-10-02T06:38:23+00:00October 2nd, 2020|

Premier Annastacia Palaszczuk has urged people not to be alarmed as eight more cases of coronavirus were diagnosed in Queensland. Ms Palaszczuk said all but one of the infections, which are at their highest daily rate since August 22, were among people already in isolation when they were tested. “From the outset, I want to [...]

Immunogenicity and persistence of trivalent measles, mumps, and rubella vaccines: a systematic review and meta-analysis

By |2020-10-02T06:38:22+00:00October 2nd, 2020|

Background Despite the universal use of the two-dose trivalent measles-mumps-rubella (MMR) vaccine in the past two decades, outbreaks of these diseases still occur in countries with high vaccine uptake, giving rise to concerns about primary and secondary failure of MMR vaccine components. We aimed to provide seroconversion and waning rate estimates for the measles, mumps, and [...]

SARS-CoV-2 Transmission Dynamics Should Inform Policy

By |2020-10-02T06:38:20+00:00October 2nd, 2020|

Abstract It is generally agreed that striking a balance between resuming economic and social activities and keeping the effective reproductive number (R0) below 1 using non-pharmaceutical interventions is an important goal until and even after effective vaccines become available. Therefore, the need remains to understand how the virus is transmitted in order to identify high-risk environments [...]