Mark Pritchard

@markgpritchard.bsky.social

619 Followers 1076 Following

Curious about the world, and more specifically about communicable disease dynamics. https://orcid.org/0000-0003-1726-8989

Acrylic painting. Two chinstrap penguins looking away from each other. A bay and icy hills behind them
Pastel drawing of Bergen harbour at night. The picture is filled with reflections from boats and buildings
Acrylic painting. A redwing bird on a branch. It has a holly berry in its beak and there are holly leaves and berries in the background
Acrylic painting. A castle in the top left of the image above a cliff, with a beach in the foreground
Pencil drawing of me
Pen drawing of Tower Bridge, viewed from a low perspective looking up at the bridge
Acrylic painting. A sandstone arch dominates the foreground. The sky is blue and some hills are seen in the distance.
Pencil sketch with a building in the foreground in the right and hills and mountains in the distance
Acrylic painting of the Matterhorn. The mountain is bright and mostly covered with snow. Trees and hills in the foreground to either side are much darker
Acrylic painting. 16 greylag geese fly over a curved black and white beach
Bar chart of temperature change in Birmingham
Graphical representation of temperature change in Birmingham since 1850. There is a vertical line for each year. There is a mix of colours, many pale and blue for years before the 1980s. The most recent years are vivid reds
Photograph of a Canada goose on a wooden deck
Acrylic painting of a house
Pencil drawing of my face, looking directly at the viewer
Acrylic painting. A castle on a hill with a beach in the foreground
Watercolour painting of flowers. There are red and orange poppies and a purple spiky flower
Coloured pencil drawing of a redwing, a brown thrush with a red patch under its wing
Photograph of two polar bears. The one in the foreground is jumping from one piece of ice to another but is about to land in the water. Behind her, a second polar bear stands next to the carcass of a seal
Photograph of Bryce Canyon at sunrise. The light is making the orange rock look even more orange. In the foreground, hoodoos (stone columns) make patterns of light and shadow. Behind them is a cliff of striped rock with trees at the top. The sky is blue with the moon visible just above the trees.
Pastel drawing of Bergen port at night. On the far side of the port are a ship and some buildings, with lights that are reflected in the harbour water. The remains of a sunset are visible just above the horizon
Photograph of a gentoo penguin. The background is white, providing a strong contrast with the black plumage of the penguin's head, and almost merging with the white on its chest
Photograph of ring-tailed lemurs. A mother with an infant on her back, both looking at the camera
Acrylic painting of Broken Arch. a sandstone arch in Arches National Park. It's a sunny day with a blue sky, the arch is a sandy brown colour, and there are green trees in the background
A photograph of an avocet in water with a very clear reflection. The image is inverted so the reflection appears the right-way-up, and the bird appears upside-down
Photograph of a Malagasy paradise flycatcher. It sits on a horizontal stick in dense woodland. Two long white feathers hang down from its tail
Photograph of a mouse lemur at nighttime. The lemur is on a wooden beam, looking out from under a green-coloured corrugated roof
Pen drawing a of a Tower Bridge. Two towers with arches at the bottom with a road running through, and two high-level walkways connecting the towers
Acrylic painting. A beach curves around a bay on the left. In the foreground the beach is mostly black, becoming mostly white further away. Overhead, 16 greylag geese fly from right to left
Photograph of a flying greater flamingo, taken with a slow exposure so its wings and the background are a blur of movement
Polling station
The sun’s corona, looking small in a cloudy sky
Cloud of words in various colors and sizes based on the Google Scholar profile for Mark Pritchard. Some of the largest words include clinical COVID-19 isaric patient enhanced hospital recovery study data cohort hip knee observational outcomes replacement report review systematic 2020 breast children hospitalised prospective protocol admitted characteristics cost-effectiveness costs effectiveness factors
Snowy scene at night
Conference poster. Title: Natural immune boosting leads to synchrony in immunity and cyclic outbreaks of disease for pathogens with rapidly waning immunity