1.\" $NetBSD: covid.4,v 1.1 2021/04/01 00:03:01 riastradh Exp $ 2.\" 3.\" Copyright (c) 2021 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd March 397th, 2020 28.Dt COVID 1 29.Os 30.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 31.Sh NAME 32.Nm covid 33.Nd coronavirus disease caused by SARS-CoV-2 34.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 35.Sh SYNOPSIS 36.Cd covid19 at sarscov2 b11 7 37.Cd covid19 at sarscov2 b11 207 38.Cd covid19 at sarscov2 b11 351 39.Cd covid19 at sarscov2 b11 427 40.Cd covid19 at sarscov2 b11 429 41.Cd covid19 at sarscov2 b11 525 42.Cd covid19 at sarscov2 p 1 43.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 44.Sh DESCRIPTION 45The 46.Nm 47family of diseases, attached to humanity via a spike protein bus in 48the year 2019 as 49.Nm covid19 , 50is a contagious respiratory and neurological disease caused by the 51coronavirus SARS-CoV-2. 52.Pp 53.Nm 54is spread human-to-human mainly through small droplets and aerosols, 55especially in crowds, closed spaces, and close contact. 56Some approaches to mitigate transmission: 57.Bl -bullet 58.It 59Good ventilation with fresh air, and high-efficiency particulate air 60filtration (HEPA), can mitigate accumulation of aerosols in indoor 61settings, for activities that can't be moved outdoors. 62.It 63Widespread use of paper or cloth facial masks covering mouth and nose 64is an effective population-wide mitigation reducing dispersal of 65droplets and aerosols from carriers, many of whom are asymptomatic or 66presymptomatic. 67.It 68Wearing European FFP2 masks, American N95 masks, or Chinese KN95 masks, 69if appropriately fitted to the face, reduces individual risk of 70contracting 71.Nm . 72(However, a mask with an output vent to facilitate exhaling should be 73worn only with another paper or cloth mask over it, to avoid spreading 74exhaled virus particles if the wearer is a carrier.) 75.El 76.Pp 77Several vaccines have been developed, tested in large-scale randomized 78clinical trials, and approved by regulatory bodies to immunize 79populations against SARS-CoV-2: 80.Bl -bullet -compact 81.It 82Moderna (United States) 83.It 84Pfizer-BioNTech (multinational) 85.It 86Sputnik V (Russia) 87.It 88Oxford-AstraZeneca (multinational) 89.It 90Novavax (United Kingdom and South Africa) 91.It 92BBIBP-CorV (multinational) 93.It 94CoronaVac (Brazil) 95.It 96Johnson & Johnson, a.k.a. Janssen (multinational) 97.It 98Covaxin (India) 99.It 100Convidecia (multinational) 101.El 102.Pp 103The approved 104.Nm 105vaccines are some of the safest and most efficacious vaccines in 106history, with almost all of them preventing essentially 100% of severe 107cases of the disease and hospitalization, and preventing the vast 108majority of mild cases, according to randomized clinical trials. 109.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 110.Sh SEE ALSO 111.Rs 112.%Q United States CDC \(em Centers for Disease Control and Prevention 113.%T Key Things to Know About COVID-19 Vaccines 114.%D March 13, 2021 115.%U https://www.cdc.gov/coronavirus/2019-ncov/vaccines/keythingstoknow.html 116.Re 117.Rs 118.%Q United States CDC \(em Centers for Disease Control and Prevention 119.%T Safety of COVID-19 Vaccines 120.%D March 25, 2021 121.%U https://www.cdc.gov/coronavirus/2019-ncov/vaccines/safety/safety-of-vaccines.html 122.Re 123.Rs 124.%Q United States CDC \(em Centers for Disease Control and Prevention 125.%T Possible Side Effects After Getting a COVID-19 Vaccine 126.%D March 16, 2021 127.%U https://www.cdc.gov/coronavirus/2019-ncov/vaccines/expect/after.html 128.Re 129.Rs 130.%A Zeynep Tufekci 131.%T 5 Pandemic Mistakes We Keep Repeating 132.%D February 26, 2021 133.%I The Atlantic 134.%U https://www.theatlantic.com/ideas/archive/2021/02/how-public-health-messaging-backfired/618147/ 135.Re 136.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 137.Sh HISTORY 1382020 was a sordid year. 139.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 140.Sh AUTHORS 141The 142.Nm 143man page was written by 144.An Taylor R Campbell Aq riastradh@NetBSD.org , 145sourced from many thousands of hours of furiously doomscrolling 146epidemiology Twitter to pass the time during the pandemic. 147.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 148.Sh CAVEATS 149The 150.Nm 151vaccines may cause muscle pain, redness, swelling, tiredness, headache, 152chills, fever, and/or nausea. 153(Sure beats catching the plague, though!) 154.\""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" 155.Sh BUGS 156.Nm 157is technically caused by a virus, not a bug. 158