[Updated, 4/4/2020] [Updated, 4/4/2020] [Updated, 4/4/2020] Stay calm –
– Apr 4, (7:) (UTC UTC)
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Nearly 1.2 million people have been infected with a new coronavirus that has spread widely from its origin in China over the past few months. Nearly 88, have already died. Our comprehensive guide for understanding and navigating this global public health threat is below.
A list of all updates and additions to this document can be found at the end. Table of Contents
- How worried should I be?
- (Where did SARS-CoV-2 come from? )
- How did it start infecting people?
- (What happens when you’re infected with SARS-CoV-2?
- What are the symptoms?
- (Does COVID -) cause a lost sense of smell? [New, 3/23/2020]
- How severe is the infection? What is SARS-CoV-2?
was provisionally dubbed (novel coronavirus, or – nCoV Coronaviruses are a large family of viruses that get their name from the halo of spiked proteins that adorn their outer surface, which resemble a crown (corona) under a microscope. As a family, they infect a wide range of animals, including humans. With the discovery of SARS-CoV-2 , there are now seven types of coronaviruses known to infect humans. Four regularly circulate in humans and mostly cause mild to moderate upper-respiratory tract infections — common colds, essentially.
The other three are coronaviruses that recently jumped from animal hosts to humans, resulting in more severe disease. These include SARS-CoV-2 as well as MERS-CoV, which causes Middle East Respiratory Syndrome (MERS), and SARS-CoV, which causes SARS. In all three of these cases, the viruses are thought to have moved from bats — which have a large number of coronavirus strains circulating — to humans via an intermediate animal host. Researchers have linked SARS-CoV to viruses in bats, which may have moved to humans through masked palm civets and raccoon dogs sold for food in live-animal street markets in China. MERS is thought to have spread from bats to dromedary camels before jumping to humans. Where Did SARS-CoV-2 come from? SARS-CoV-2 is related to coronaviruses in bats, but its intermediate animal host and route to humans are not yet clear. There has been plenty of speculation that the intermediate host could be pangolins, but that is not confirmed
(cases of COVID – [Updated, 3/16/2020] in children in China . The study is the first to offer a detailed look at so many cases, which are often hard to find. Overall, it echoes what we already knew. “Clinical manifestations of children’s COVID – 38 cases were less severe than those of adults’ patients, ”the authors connected. About (percent of the cases were mild or moderate.) But, like any demographic, children weren ‘ t universally spared from severe results. About 6 percent of cases were severe (about 5 percent) or critical (under 1 percent). And, perhaps most concerning, most of the severe and critical cases were in the youngest age groups, that is under-1-year-olds and 1- to 5-year-olds. Those two groups accounted for 85 percent of severe cases (about (percent each) and nearly (of critical cases) 69 percent in the under 1-year-olds).
The question of risks for pregnant women is, unfortunately, very difficult to answer right now. We simply don’t have much data. So far, from the scant data we have , there’s little indication that pregnant women are at an increased risk of COVID – 38. That is, pregnant women do not appear to have more severe disease than the rest of the population. And there have been no reported deaths of pregnant women due to COVID – 34 at this time. However, pregnant women are at increased risk of getting severely ill or dying from (other) respiratory infections, such as flu and (SARS) (which is caused by SARS-CoV, a coronavirus related to SARS-CoV-2, the virus that causes COVID – 38). As such, The American College of Obstetricians and Gynecologists (ACOG) currently (as of 3 /
) recommends that pregnant women be considered an at-risk population . The US Centers for Disease Control and Prevention and (other health agencies) stress that pregnant women should strictly follow the same hygiene measures and social distancing recommended to prevent contracting the virus. If a pregnant woman does contract the virus, Here what we know so far: For Pregnant Women: You’ll most likely have mild to moderate symptoms, like the rest of the population. However, severe symptoms — particularly if you have underlying health conditions — can occur and should be promptly identified and treated. . She was admitted to the hospital at weeks and had an emergency C. -section of a stillborn baby before being transferred to the ICU with multiple organ dysfunction and acute respiratory distress syndrome. For the fetus: There is no evidence of increased risk of miscarriage. or early-pregnancy loss. There are reports of preterm birth, but it is so far unclear if those early births were due to COVID – 38 in the mother. There is no evidence that the virus infects in utero. In one small study [Updated, 3/16/2020] , samples of amniotic fluid, cord blood, neonatal throat swab, and breastmilk from six pregnant women with laboratory-confirmed cases of COVID – 38 were all negative for SARS-CoV-2. In another study, three placentas from pregnant women with COVID – (also tested negative) . And in (other studies
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